FORM 4

__ Check this box if no longer
     subject to Section 16. Form 4
     or Form 5 obligations may
     continue. See Instruction 1(b).

(Print or Type Responses)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Scherff, Clarke	2. Issuer Name and Tickler or Trading Symbol Mentor Corporation ("MNTR")				6. Relationship of Reporting Person(s) to Issuer (Check all applicable) ___ Director ___ 10% Owner _X__ Officer (give title below) ___ Other (specify below) __________________________________ Vice President, Regulatory Compliance
(Last) (First) (Middle) 201 Mentor Drive	3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary)		4. Statement for Month/Day/Year November 21, 2002
(Street) Santa Barbara, CA 93111			5. If Amendment, Date of Original (Month/Year)			7. Individual or Joint/Group Filing (Check Applicable Line) _X__ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person
(City) (State) (Zip)	Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/21/02	11/21/02	M		8,000	A	21.375		D
Common Stock	11/21/02	11/21/02	M		5,000	A	23.125		D
Common Stock	11/21/02	11/21/02	M		5,000	A	21.875		D
Common Stock	11/21/02	11/21/02	M		3,000	A	27.125		D
Common Stock	11/21/02	11/21/02	M		5,000	A	20.50		D
Common Stock	11/21/02	11/21/02	M		5,625	A	15.25		D
Common Stock	11/21/02	11/21/02	M		10,000	A	16.625		D
Common Stock	11/21/02	11/21/02	M		10,000	A	15.6875		D
Common Stock	11/21/02	11/21/02	M		5,000	A	26.61		D
Common Stock	11/21/02	11/21/02	S		56,625	D	42.72	300	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1.Title of
   Derivative
   Security
   (Instr.3)

2.Conversion or
Exercise Price of
Derivative Security

3.Transaction Date
(Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4.Transaction Code
(Instr. 8)

5.Number of Derivative
   Securities Acquired
   (A) or Disposed of (D)
   (Instr. 3, 4 and 5)

6.Date Exerciseable
and Expiration Date
(Month/Day/Year)

7.Title and Amount of
Underlying Securities
(Instr. 3 and 4)

8.Price of
   Derivative
   Security
   (Instr. 5)

9.Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10.Ownership
     Form of
     Derivative
     Securities
     Beneficially
     Owned at
     End of Month
     (Instr. 4)

11.Nature of
     Indirect
     Beneficial
     Ownership
     (Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Option, Right to Buy

21.375

11/21/02

8,000

9/13/96

9/13/05

Common Stock

8,000

Option, Right to Buy 23.125 11/21/02 M 5,000 5/9/97 5/9/06 Common Stock 5,000

Option, Right to Buy

21.875

11/21/02

5,000 5/15/98

5/15/07

Common Stock

5,000

Option, Right to Buy 27.125 11/21/02 M 3,000 2/4/99 2/4/08 Common Stock 3,000 Option, Right to Buy 20.50 11/21/02 M 5,000 7/28/99 7/28/08 Common Stock 5,000 Option, Right to Buy 15.25 11/21/02 M 5,625 5/14/00 5/14/09 Common Stock 5,625 Option, Right to Buy 16.625 11/21/02 M 10,000 5/5/01 5/5/10 Common Stock 10,000 Option, Right to Buy 15.6875 11/21/02 M 10,000 10/19/01 10/19/10 Common Stock 10,000 Option, Right to Buy 26.61 11/21/02 M 5,000 5/23/02 5/23/11 Common Stock 5,000 50,875 D

Explanation of Responses:
		/S/ADEL MICHAEL **Signature of Reporting Person	November 22, 2002 Date

Reminder:	Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, on of which must be manually signed. If space is insufficient, see Instruction 6 for procedure

MENTOR CORP /MN/ 4