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<p align=center><b>&nbsp;</b></p>

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<p align=center><b>SECURITIES AND
EXCHANGE COMMISSION</b></p>

<p align=center>Washington, D.C. 20549</p>

<p align=center>&nbsp;</p>

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<p align=center>&nbsp;</p>

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<p align=center><b>FORM 8-K</b></p>

<p><sup>&nbsp;</sup></p>

<p align=center>CURRENT REPORT</p>

<p align=center>Pursuant to Section 13 or 15(d)</p>

<p align=center>of the Securities Exchange Act of 1934</p>

<p align=center>&nbsp;</p>

<p align=center>Date of Report (Date of earliest event reported):</p>

<p align=center>May 13, 2003</p>

<p align=center>&nbsp;</p>

<p align=center><b>MENTOR CORPORATION</b></p>

<p align=center>(Exact name of registrant as specified in its
charter)</p>

<p align=center>&nbsp;</p>

<table border=0 cellspacing=0 cellpadding=0>
 <tr>
  <td width=213 valign=top>
  <p>Minnesota</p>
  </td>
  <td width=213 valign=top>
  <p>0-7955</p>
  </td>
  <td width=213 valign=top>
  <p>41-0950791</p>
  </td>
 </tr>
 <tr>
  <td width=213 valign=top>
  <p>(State or other
  jurisdiction of incorporation)</p>
  </td>
  <td width=213 valign=top>
  <p>(Commission File No.)</p>
  </td>
  <td width=213 valign=top>
  <p>(IRS Employer I.D. No.)</p>
  </td>
 </tr>
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<p align=center>201 Mentor Drive<br>
Santa Barbara, California 93111<br>
(Address of principal executive offices)</p>



<p align=center>Registrant's telephone number, including area code:<br>
(805) 879-6000</p>





<p><b>ITEM 7.</b><b>Exhibits.</b></p>



<p>(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The
following exhibit is being furnished herewith:</p>



<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u>Exhibit
No.</u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u>Exhibit Description</u></p>



<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 99&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Press Release, dated May 13,
2003, issued by Mentor Corporation.</p>





<p><b>ITEM 9.</b><b>Regulation FD Disclosure
(Information provided under Item 12 - Results of Operations and Financial
Condition).</b></p>



<p>The following information is disclosed pursuant to
Item 12 - Results of Operations and Financial Condition.&nbsp; It is being furnished under Item 9 of this
Form 8-K in accordance with interim guidance issued by the SEC in release No.
33-8216.&nbsp; </p>



<p>The purpose of this current report on Form 8-K is to
furnish, as required by Item 12 of Form 8-K, the press release in connection
with the fiscal 2003 fourth quarter and year-end results of operation issued by
Mentor Corporation on May 13, 2003.&nbsp; The
release is attached hereto as Exhibit 99.&nbsp;
</p>





<p align=center>SIGNATURES</p>



<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Pursuant to the requirements of
the Securities Exchange Act of 1934, the registrant has duly caused this report
to be signed on its behalf by the undersigned hereunto duly authorized.</p>



<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MENTOR
CORPORATION</p>





<p>Date:&nbsp; May 13, 2003&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u>/s/CHRISTOPHER
J. CONWAY</u></p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Christopher
J. Conway, Chairman</p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Chief
Executive Officer and President</p>





<p>Date:&nbsp; May 13, 2003&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u>/s/ADEL
MICHAEL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </u></p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Executive
Vice President</p>

<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Chief
Financial Officer</p>





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{"company-data": {"conformed-name": "MENTOR CORP /MN/", "cik": "0000064892", "assigned-sic": "3842", "irs-number": "410950791", "state-of-incorporation": "MN", "fiscal-year-end": "0331"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-07955", "film-number": "03696147"}, "business-address": {"street1": "201 MENTOR DR", "city": "SANTA BARBARA", "state": "CA", "zip": "93111", "phone": "8058796000"}, "mail-address": {"street1": "201 MENTOR DR", "city": "SANTA BARBARA", "state": "CA", "zip": "93111"}}
SECURITIES AND EXCHANGE COMMISSION
SECURITIES AND
EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
May 13, 2003
MENTOR CORPORATION
(Exact name of registrant as specified in its
charter)
Minnesota
0-7955
41-0950791
(State or other
  jurisdiction of incorporation)
(Commission File No.)
(IRS Employer I.D. No.)
201 Mentor Drive
Santa Barbara, California 93111
(Address of principal executive offices)
Registrant's telephone number, including area code:
(805) 879-6000
ITEM 7.
Exhibits.
(c)        The
following exhibit is being furnished herewith:
Exhibit
No.
Exhibit Description
99                     Press Release, dated May 13,
2003, issued by Mentor Corporation.
ITEM 9.
Regulation FD Disclosure
(Information provided under Item 12 - Results of Operations and Financial
Condition).
The following information is disclosed pursuant to
Item 12 - Results of Operations and Financial Condition.  It is being furnished under Item 9 of this
Form 8-K in accordance with interim guidance issued by the SEC in release No.
33-8216.
The purpose of this current report on Form 8-K is to
furnish, as required by Item 12 of Form 8-K, the press release in connection
with the fiscal 2003 fourth quarter and year-end results of operation issued by
Mentor Corporation on May 13, 2003.  The
release is attached hereto as Exhibit 99.
SIGNATURES
Pursuant to the requirements of
the Securities Exchange Act of 1934, the registrant has duly caused this report
to be signed on its behalf by the undersigned hereunto duly authorized.
MENTOR
CORPORATION
Date:  May 13, 2003
/s/CHRISTOPHER
J. CONWAY
Christopher
J. Conway, Chairman
Chief
Executive Officer and President
Date:  May 13, 2003
/s/ADEL
MICHAEL
Executive
Vice President
Chief
Financial Officer