POWER OF ATTORNEY



The undersigned hereby constitutes and appoints, in the undersigneds capacity
as an officer and/or director, or their designee, of Mentor Corporation, Joshua
Levine,Loren McFarland and Tim Noonan, or any of them acting alone, to have
full power of attorney and authority as attorneys-in-fact, with full power of
substitution, to complete and execute Forms 3, 4 and 5 and file such Forms with
the Securities and Exchange Commission and NYSE and any similar authority, and
such related documents and other filings as such person deems necessary or
appropriate, on behalf of the undersigned.  This power shall remain in effect
until the undersigned is no longer required to file Forms 3, 4 and 5 for
securities issued by Mentor Corporation, unless earlier revoked by the
undersigned in writing and delivered to the attorneys-in-fact.

The undersigned acknowledges that the foregoing attorneys-in-fact, in serving
in such capacity at the request of the undersigned, are not assuming, nor is
Mentor Corporation assuming, any of the undersigneds responsibilities to
comply
with Section 16 of the Securities Exchange Act of 1934.

In Witness Whereof, the undersigned has caused this Power of Attorney to be
executed as of this 24th day of May, 2007.


Michael Nakonechny

/s/Michael Nakonechny
Signature


Board Member
Title