SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------

                                 SCHEDULE 13G/A
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13d-2(b)

                               (Amendment No. 4)*

                      Valeant Pharmaceuticals International
                                (Name of Issuer)

                          Common Stock, par value $.01
                         (Title of Class of Securities)


                                    91911X104
                                 (CUSIP Number)


                                   May 4, 2010
             (Date of Event Which Requires Filing of this Statement)


     Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

     [ ]  Rule 13d-1(b)
     [x]  Rule 13d-1(c)
     [ ]  Rule 13d-1(d)





                              (Page 1 of 20 Pages)
---------------
     *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act
of 1934 ("Act") or otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act (however, see the
Notes).







CUSIP No. 91911X104                 13G/A                Page 2 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Management, L.P.


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    2,000,000
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,000,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,000,000
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES(see instructions)       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             2.64%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             PN
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 3 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Associates, LLC


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    2,000,000
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,000,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,000,000
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES(see instructions)       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             2.64%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited liability company
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 4 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Offshore, Ltd.


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    1,162,989
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    1,162,989
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             1,162,989
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)      [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             1.54%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited company
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 5 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Offshore Master Fund, L.P.

-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    1,162,989
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    1,162,989
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             1,162,989
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)      [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             1.54%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited company
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 6 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Offshore GP, LLC


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    1,162,989
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    1,162,989
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
              1,162,989
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)      [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             1.54%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited company
-----------------------------------------------------------------------------





CUSIP No. 91911X104                 13G/A                Page 7 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Hybrid Offshore, Ltd.


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    289,253
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    289,253
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             289,253
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)      [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0.38%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited company
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 8 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Hybrid Offshore Master Fund, L.P.


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    289,253
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    289,253
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             289,253
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)      [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
             0.38%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited company
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 9 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Hybrid Offshore GP, LLC


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    289,253
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    289,253
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             289,253
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)      [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0.38%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited company
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 10 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Group, LLC


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    2,000,000
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,000,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,000,000
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             2.64%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited liability company
-----------------------------------------------------------------------------





CUSIP No. 91911X104                 13G/A                Page 11 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor Capital, L.P.


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    547,758
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    547,758
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             547,758
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)      [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0.72%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             PN
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 12 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             HealthCor, L.P.


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    547,758
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    547,758
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             547,758
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0.72%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             PN
-----------------------------------------------------------------------------






CUSIP No. 91911X104                 13G/A                Page 13 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             Arthur Cohen

-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                            (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             United States
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    2,000,000
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,000,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,000,000
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             2.64%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             IN
-----------------------------------------------------------------------------





CUSIP No. 91911X104                13G/A                Page 14 of 20 Pages


-----------------------------------------------------------------------------
     (1)     NAMES OF REPORTING PERSONS
             Joseph Healey


-----------------------------------------------------------------------------
     (2)     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                           (see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)     SEC USE ONLY
-----------------------------------------------------------------------------
     (4)     CITIZENSHIP OR PLACE OF ORGANIZATION
             United States
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    2,000,000
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,000,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,000,000
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             2.64%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             IN
-----------------------------------------------------------------------------






CUSIP No. 91911X104                  13G/A                 Page 15 of 20 Pages


Item 1(a).     Name of Issuer:
               Valeant Pharmaceuticals International

Item 1(b).     Address of Issuer's Principal Executive Offices:
               One Enterprise
               Aliso Viejo, California 92656


Item 2(a, b, c).     Name of Person Filing:

               (i) HealthCor Management, L.P., a Delaware limited partnership;
               Carnegie Hall Tower, 152 West 57th Street, 47th Floor, New York,
               New York 10019;

               (ii) HealthCor Associates, LLC, a Delaware limited liability
               company, Carnegie Hall Tower, 152 West 57th Street, 47th Floor,
               New York, New York 10019;

               (iii) HealthCor Offshore, Ltd., a Cayman Islands limited company,
               Carnegie Hall Tower, 152 West 57th Street, 47th Floor, New York,
               New York 10019;

               (iv) HealthCor Offshore Master Fund, L.P., a Cayman Islands
               limited partnership, Carnegie Hall Tower, 152 West 57th Street,
               47th Floor, New York, New York 10019;

               (v) HealthCor Offshore GP, LLC, a Delaware limited liability
               company, Carnegie Hall Tower, 152 West 57th Street, 47th Floor,
               New York, New York 10019;

               (vi) HealthCor Hybrid Offshore, Ltd., a Cayman Islands limited
               company, Carnegie Hall Tower, 152 West 57th Street, 47th Floor,
               New York, New York 10019;

               (vii) HealthCor Hybrid Offshore Master Fund, L.P., a Cayman
               Islands limited partnership, Carnegie Hall Tower, 152 West 57th
               Street, 47th Floor, New York, New York 10019;

               (viii) HealthCor Hybrid Offshore GP, LLC, a Delaware limited
               liability company, Carnegie Hall Tower, 152 West 57th Street,
               47th Floor, New York, New York 10019;

               (ix) HealthCor Group, LLC, a Delaware limited liability company,
               Carnegie Hall Tower, 152 West 57th Street, 47th Floor, New York,
               New York 10019;

               (x) HealthCor Capital, L.P., a Delaware limited partnership,
               Carnegie Hall Tower, 152 West 57th Street, 47th Floor, New York,
               New York 10019;

               (xi) HealthCor, L.P., a Delaware limited partnership, Carnegie
               Hall Tower, 152 West 57th Street, 47th Floor, New York, New York
               10019;





CUSIP No. 91911X104                  13G/A                 Page 16 of 20 Pages


               (xii) Joseph Healey; Carnegie Hall Tower, 152 West 57th Street,
               47th Floor, New York, New York 10019; and

               (xiii) Arthur Cohen, 12 South Main Street, #203 Norwalk, Ct
               06854.

               Both Mr. Healey and Mr. Cohen are United States citizens.

               The persons at (i) through (xiii) above are collectively referred
               to herein as the "Reporting Persons".


Item 2(d).     Title of Class of Securities: Common Stock, par value $.01 (the
               "Common Stock")

Item 2(e).     CUSIP Number:  91911X104


Item 3.               Not applicable.

Item 4.        Ownership.

                  The information required by Items 4(a) - (c) is set forth in
                  Rows 5 - 11 of the cover page for each Reporting Person hereto
                  and is incorporated herein by reference for each such
                  Reporting Person.

                  Collectively, HealthCor, L.P., Healthcor Offshore Master Fund,
                  L.P. and HealthCor Hybrid Offshore Master Fund, L.P. (each a
                  "Fund" and together, the "Funds") are the beneficial owners of
                  a total of 2,000,000 shares of the Common Stock of the Issuer.
                  By virtue of their position as feeder funds, HealthCor
                  Offshore, Ltd. and HealthCor Hybrid Offshore, Ltd. may be
                  deemed beneficial owners of the shares of Common Stock owned
                  by HealthCor Offshore Master Fund, L.P., and HealthCor Hybrid
                  Offshore Master Fund, L.P., respectively.

                  HealthCor Offshore GP, LLC is the general partner of HealthCor
                  Offshore Master Fund, L.P. Accordingly, HealthCor Offshore GP,
                  LLC may be deemed to beneficially own the shares of Common
                  Stock that are beneficially owned by HealthCor Offshore Master
                  Fund, L.P. HealthCor Group, LLC is the general partner of
                  HealthCor Offshore GP, LLC and, therefore, may be deemed to
                  beneficially own the shares of Common Stock that are
                  beneficially owned by HealthCor Offshore Master Fund, L.P.

                  HealthCor Hybrid Offshore GP, LLC is the general partner of
                  HealthCor Hybrid Offshore Master Fund, L.P. Accordingly,
                  HealthCor Hybrid Offshore GP, LLC may be deemed to
                  beneficially own the shares of Common Stock that are
                  beneficially owned by HealthCor Hybrid Offshore Master Fund,
                  L.P. HealthCor Group, LLC is the general partner of HealthCor
                  Hybrid Offshore GP, LLC and, therefore, may be deemed to
                  beneficially own the shares of Common Stock that are
                  beneficially owned by HealthCor Hybrid Offshore Master Fund,
                  L.P.



CUSIP No. 91911X104                13G/A                Page 17 of 20 Pages


                  By virtue of its position as the investment manager of the
                  Funds, HealthCor Management, L.P. may be deemed a beneficial
                  owner of all the shares of Common Stock owned by the Funds.
                  HealthCor Associates, LLC is the general partner of HealthCor
                  Management, L.P. and thus may also be deemed to beneficially
                  own the shares of Common Stock that are beneficially owned by
                  the Funds.

                  HealthCor Group LLC is the general partner of HealthCor
                  Capital, L.P., which is in turn the general partner of
                  HealthCor, L.P. Accordingly, each of HealthCor Capital L.P.
                  and HealthCor Group, LLC may be deemed to beneficially own the
                  shares of Common Stock that are beneficially owned by
                  HealthCor, L.P.

                  As the Managers of HealthCor Associates, LLC, Arthur Cohen and
                  Joseph Healey exercise both voting and investment power with
                  respect to the shares of Common Stock reported herein, and
                  therefore each may be deemed a beneficial owner of such Common
                  Stock.

                  Each of the Reporting Persons hereby disclaims any beneficial
                  ownership of any such Shares in excess of their actual
                  pecuniary interest therein.


Item 5.        Ownership of Five Percent or Less of a Class:

                  If this statement is being filed to report the fact that as of
                  the date hereof the reporting person has ceased to be the
                  beneficial owner of more than five percent of the class of
                  securities, check the following [X].

Item 6.        Ownership of More than Five Percent on Behalf of Another Person.
               Not Applicable

Item 7.        Identification and Classification of the Subsidiary Which
               Acquired the Security Being Reported on by the Parent Holding
               Company.
               Not Applicable

Item 8.        Identification and Classification of Members of the Group.
               Not Applicable

Item 9.        Notice of Dissolution of Group.
               Not Applicable




CUSIP No. 91911X104              13G/A                Page 18 of 20 Pages


Item 10.       Certification.

                  By signing below I certify that, to the best of my knowledge
                  and belief, the securities referred to above were not acquired
                  and are not held for the purpose of or with the effect of
                  changing or influencing the control of the issuer of the
                  securities and were not acquired and are not held in
                  connection with or as a participant in any transaction having
                  that purpose or effect.

Exhibits:

None.





CUSIP No. 91911X104              13G/A                Page 19 of 20 Pages


                                    SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

DATED:  May 7, 2010

                  HEALTHCOR MANAGEMENT, L.P., for itself and
                  as manager on behalf of (i) HEALTHCOR OFFSHORE, LTD.
                  and (ii) HEALTHCOR HYBRID OFFSHORE, LTD.

                      By: HealthCor Associates, LLC, its general partner

                      By: /s/ John H. Coghlin
                      -------------------------------------
                      Name: John H. Coghlin
                      Title: General Counsel

                  HEALTHCOR CAPITAL, L.P., for itself and as general partner
                  on behalf of HEALTHCOR L.P.

                      By: HealthCor Group, LLC, its general partner

                      By: /s/ John H. Coghlin
                      -------------------------------------
                      Name: John H. Coghlin
                      Title: General Counsel

                  HEALTHCOR OFFSHORE GP, LLC, for itself and as general partner
                  of behalf of HEALTHCOR OFFSHORE MASTER FUND, L.P.

                      By: HealthCor Group, LLC, its general partner

                      By: /s/ John H. Coghlin
                      -------------------------------------
                      Name:  John H. Coghlin
                      Title:  General Counsel

                  HEALTHCOR HYBRID OFFSHORE GP, LLC, for itself and as general
                  partner of behalf of HEALTHCOR HYBRID OFFSHORE MASTER FUND,
                  L.P.

                      By: HealthCor Group, LLC, its general partner

                      By: /s/ John H. Coghlin
                      -------------------------------------
                      Name:  John H. Coghlin
                      Title:  General Counsel

                  HEALTHCOR ASSOCIATES, LLC

                      By: /s/ John H. Coghlin
                        -------------------------------------
                      Name: John H. Coghlin
                      Title: General Counsel




CUSIP No. 91911X104              13G/A                Page 20 of 20 Pages


                  HEALTHCOR GROUP, LLC

                      By: /s/ John H. Coghlin
                        -------------------------------------
                      Name: John H. Coghlin
                      Title: General Counsel

                  JOSEPH HEALEY, Individually

                      /s/ Joseph Healey
                      -----------------------------------

                  ARTHUR COHEN, Individually

                      /s/ Arthur Cohen
                      -----------------------------------