<html>

<head>


<title>Mentor Corporation - Form 8-K</title>



</head>

<body lang=EN-US link=blue vlink=purple style='text-justify-trim:punctuation'>









<div style='border:none;border-top:double windowtext 6.75pt;padding:0in 0in 0in 0in'>



</div>

<p style='line-height:normal' align="center"><font face="Times New Roman"><b>
<font size="4">UNITED STATES<br>
SECURITIES AND EXCHANGE COMMISSION<br>
</font></b>Washington, DC 20549</font></p>



<div class=MsoNormal align=center style='text-align:center'>

<hr size=1 width="25%" noshade color=black align=center>

</div>



<p align=center style='text-align:center'><b>
<font size="4" face="Times New Roman">FORM 8&#8209;K</font></b></p>



<p align=center style='text-align:center'><font face="Times New Roman" size="2">CURRENT REPORT<br>
Pursuant to Section 13 or 15(d)
of<br>
the Securities Exchange Act of
1934</font></p>



<p align=center style='text-align:center'><font face="Times New Roman" size="2">Date of Report (Date of earliest
event reported)<br>
</font><b><font face="Times New Roman" size="4">May 14, 2008</font></b></p>



<div class=MsoNormal align=center style='text-align:center'>

<hr size=1 width="25%" noshade color=black align=center>

</div>



<p align=center style='text-align:center'><font face="Times New Roman" size="4"><b>MENTOR CORPORATION<br>
</b></font><font face="Times New Roman" size="2">(Exact name of registrant as
specified in its charter)</font></p>



<div align=center>

<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%"
 style='width:100.0%;border-collapse:collapse'>
 <tr>
  <td width="29%" valign=top style='width:29.44%;padding:0in .7pt 0in .7pt'>
  <p align=center style='text-align:center'>
	<font face="Times New Roman" size="2"><b><u>Minnesota</u></b></font></p>
  </td>
  <td width="3%" valign=bottom style='width:3.74%;padding:0in .7pt 0in .7pt'>
  <p><font face="Times New Roman" size="2"><b>&nbsp;</b></font></p>
  </td>
  <td width="31%" valign=top style='width:31.78%;padding:0in .7pt 0in .7pt'>
  <p align=center style='text-align:center'>
	<font face="Times New Roman" size="2"><b><u>001-31744</u></b></font></p>
  </td>
  <td width="2%" valign=bottom style='width:2.5%;padding:0in .7pt 0in .7pt'>
  <p><font face="Times New Roman" size="2"><b>&nbsp;</b></font></p>
  </td>
  <td width="32%" valign=top style='width:32.54%;padding:0in .7pt 0in .7pt'>
  <p align=center style='text-align:center'>
	<font face="Times New Roman" size="2"><b><u>41-0950791</u></b></font></p>
  </td>
 </tr>
 <tr>
  <td width="29%" valign=top style='width:29.44%;padding:0in .7pt 0in .7pt'>
  <p align=center style='text-align:center'>
	<font face="Times New Roman" size="2">(State or other jurisdiction of incorporation)</font></p>
  </td>
  <td width="3%" valign=bottom style='width:3.74%;padding:0in .7pt 0in .7pt'>

  </td>
  <td width="31%" valign=top style='width:31.78%;padding:0in .7pt 0in .7pt'>
  <p align=center style='text-align:center'>
	<font face="Times New Roman" size="2">(Commission File Number)</font></p>
  </td>
  <td width="2%" valign=bottom style='width:2.5%;padding:0in .7pt 0in .7pt'>

  </td>
  <td width="32%" valign=top style='width:32.56%;padding:0in .7pt 0in .7pt'>
  <p align=center style='text-align:center'>
	<font face="Times New Roman" size="2">(IRS Employer<br>
  Identification No.)</font></p>
  </td>
 </tr>
</table>

</div>




<p style='margin-top:0in' align="center"><font face="Times New Roman" size="2">
<b>201
  Mentor Drive<br>
Santa Barbara, California&nbsp; 93111<br>
</b>(Address of principal executive
offices, including zip code)</font></p>



<p align=center style='text-align:center'><font face="Times New Roman" size="2"><b>(805) 879-6000<br>
</b>(Registrant's telephone number,
including area code)</font></p>



<p align=center style='text-align:center'><font face="Times New Roman" size="2"><b>Not Applicable<br>
</b>(Former name or former address,
if changed since last report)</font></p>



<p><font face="Times New Roman" size="2">Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the
registrant under any of the following provisions:</font></p>

<p style='margin-left:14.25pt;text-indent:-14.25pt'>
<font face="Times New Roman" size="2">[&nbsp; ] Written communications pursuant to Rule 425 under the Securities
Act (17 CFR 230.425)</font></p>

<p style='margin-left:14.25pt;text-indent:-14.25pt'>
<font face="Times New Roman" size="2">[&nbsp; ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12)</font></p>

<p style='margin-left:14.25pt;text-indent:-14.25pt'>
<font face="Times New Roman" size="2">[&nbsp; ] Pre-commencement communications pursuant to Rule 14d-2(b) under
the Exchange Act (17 CFR 240.14d-2(b))</font></p>

<p style='margin-left:14.25pt;text-indent:-14.25pt'>
<font face="Times New Roman" size="2">[&nbsp; ] Pre-commencement communications pursuant to
Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</font></p>
<p style='margin-left:14.25pt;text-indent:-14.25pt'>
&nbsp;</p>
<p style='margin-left:14.25pt;text-indent:-14.25pt'>
&nbsp;</p>




<div>

<table cellspacing=0 cellpadding=0 hspace=0 vspace=0 align=center>
 <tr>
  <td valign=top align=left style='padding-top:0in;padding-right:0in;
  padding-bottom:0in;padding-left:0in'>
  <p><font face="Times New Roman" size="2">1</font></p>
  </td>
 </tr>
</table>

</div>



<div class=MsoNormal align=center style='text-align:center'>

<hr size=2 width="100%" noshade color=navy align=center>

</div>



<font face="Times New Roman" size="2">



<br clear=all
style='page-break-before:always'>










</font>










<p style="text-autospace: none"><font face="Times New Roman"><b><font size="2">
Item 5.02&nbsp; Departure of Directors or
Certain Officers; Election of Directors; Appointment of Certain Officers;
Compensatory Arrangements of Certain Officers.</font></b><font size="2">&nbsp;</font></font></p>
<p style="margin-bottom: 0">
<font size="2" face="Times New Roman">(b)&nbsp;
On May 14, 2008,
Ronald J. Rossi notified Mentor Corporation (&quot;Mentor&quot;) that he resigned as a
member of the Board of Directors of Mentor and all committees thereof, including
the Compensation Committee and the Nominating and Governance Committee,
effective May 19, 2008.&nbsp; Mr. Rossi has served as a member of the Board of
Directors since 1999.&nbsp; There were no disagreements between Mr. Rossi and Mentor
on any matter relating to Mentor's operations, policies or practices.</font></p>

<p align=center style='text-align:center'><font face="Times New Roman" size="2">
<b>SIGNATURES</b></font></p>



<p>
<font face="Times New Roman" size="2">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.</font></p>





<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%"
 style='width:100.0%;border-collapse:collapse'>
 <tr>
  <td width="25%" valign=top style='width:25.7%;padding:0in .7pt 0in .7pt'>

  </td>
  <td width="17%" valign=top style='width:17.4%;padding:0in .7pt 0in .7pt'>

  </td>
  <td width="56%" colspan=2 valign=top style='width:56.9%;padding:0in .7pt 0in .7pt'>
  <b><font face="Times New Roman" size="2">MENTOR CORPORATION</font></b></td>
 </tr>
 <tr>
  <td width="25%" valign=top style='width:25.7%;padding:0in .7pt 0in .7pt'>

  </td>
  <td width="17%" valign=top style='width:17.4%;padding:0in .7pt 0in .7pt'>

  </td>
  <td width="56%" colspan=2 valign=top style='width:56.9%;padding:0in .7pt 0in .7pt'>

  </td>
 </tr>
 <tr>
  <td width="25%" valign=top style='width:25.7%;padding:0in .7pt 0in .7pt'>
  &nbsp;</td>
  <td width="17%" valign=top style='width:17.4%;padding:0in .7pt 0in .7pt'>
  &nbsp;</td>
  <td valign=top style='border-left:medium none; border-right:medium none; border-top:medium none; width:22%;border-bottom:medium none windowtext;
  padding-left:.7pt; padding-right:.7pt; padding-top:0in; padding-bottom:0in'>
  &nbsp;</td>
  <td valign=top style='width:35%;padding-left:.7pt; padding-right:.7pt; padding-top:0in; padding-bottom:0in'>

  &nbsp;</td>
 </tr>
 <tr>
  <td width="25%" valign=top style='width:25.7%;padding:0in .7pt 0in .7pt'>
  <p><font face="Times New Roman" size="2">Date:&nbsp;
  May 20, 2008</font></p>
  </td>
  <td width="17%" valign=top style='width:17.4%;padding:0in .7pt 0in .7pt'>
  <p align=right style='text-align:right'><font face="Times New Roman" size="2">By:</font></p>
  </td>
  <td valign=top style='border-left:medium none; border-right:medium none; border-top:medium none; width:22%;border-bottom:1.0pt solid windowtext;
  padding-left:.7pt; padding-right:.7pt; padding-top:0in; padding-bottom:0in'>
  <p><font face="Times New Roman" size="2">&nbsp;/s/
  Joseph A. Newcomb</font></p>
  </td>
  <td valign=top style='width:35%;padding-left:.7pt; padding-right:.7pt; padding-top:0in; padding-bottom:0in'>

  </td>
 </tr>
 <tr>
  <td width="25%" valign=top style='width:25.7%;padding:0in .7pt 0in .7pt'>

  </td>
  <td width="17%" valign=top style='width:17.4%;padding:0in .7pt 0in .7pt'>

  </td>
  <td width="56%" colspan=2 valign=top style='width:56.9%;padding:0in .7pt 0in .7pt'>
  <p><font face="Times New Roman" size="2">Joseph A. Newcomb<br>
	General Counsel</font></p>

  </td>
 </tr>
</table>





<div>

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

<table cellspacing=0 cellpadding=0 hspace=0 vspace=0 align=center>
 <tr>
  <td valign=top align=left style='padding-top:0in;padding-right:0in;
  padding-bottom:0in;padding-left:0in'>


	<p><font face="Times New Roman" size="2">2</font></p>
  </td>
 </tr>
</table>

</div>



<div class=MsoNormal align=center style='text-align:center'>

<hr size=2 width="100%" noshade color=navy align=center>

</div>







</body>

</html>
[{"type": "8-K", "sequence": "1", "filename": "k8may2008.htm", "description": "FORM 8-K", "secsgml_size_bytes": 9891}]
{"company-data": {"conformed-name": "MENTOR CORP /MN/", "cik": "0000064892", "assigned-sic": "3842", "irs-number": "410950791", "state-of-incorporation": "MN", "fiscal-year-end": "1003"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-31744", "film-number": "08847738"}, "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"}}
Mentor Corporation - Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 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 14, 2008
MENTOR CORPORATION
(Exact name of registrant as
specified in its charter)
Minnesota
001-31744
41-0950791
(State or other jurisdiction of incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
201
  Mentor Drive
Santa Barbara, California  93111
(Address of principal executive
offices, including zip code)
(805) 879-6000
(Registrant's telephone number,
including area code)
Not Applicable
(Former name or former address,
if changed since last report)
Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the
registrant under any of the following provisions:
[  ] Written communications pursuant to Rule 425 under the Securities
Act (17 CFR 230.425)
[  ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12)
[  ] Pre-commencement communications pursuant to Rule 14d-2(b) under
the Exchange Act (17 CFR 240.14d-2(b))
[  ] Pre-commencement communications pursuant to
Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
1
Item 5.02  Departure of Directors or
Certain Officers; Election of Directors; Appointment of Certain Officers;
Compensatory Arrangements of Certain Officers.
(b) 
On May 14, 2008,
Ronald J. Rossi notified Mentor Corporation ("Mentor") that he resigned as a
member of the Board of Directors of Mentor and all committees thereof, including
the Compensation Committee and the Nominating and Governance Committee,
effective May 19, 2008.  Mr. Rossi has served as a member of the Board of
Directors since 1999.  There were no disagreements between Mr. Rossi and Mentor
on any matter relating to Mentor's operations, policies or practices.
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 20, 2008
By:
/s/
  Joseph A. Newcomb
Joseph A. Newcomb
General Counsel
2