nearsighted prescriptions

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From: DLPorter (dpotasnik@earthlink.net)
Date: Thu May 31 2001 - 08:35:58 PDT

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Message-ID: <3B1664DE.59319AB6@earthlink.net>
Date: Thu, 31 May 2001 08:35:58 -0700
From: DLPorter <dpotasnik@earthlink.net>
Subject: nearsighted prescriptions

Hi all,
Can someone tell me the relationship between the focal length of a
diverging lens and the prescription for a pair of glasses for
nearsightedness. Also, isn't there a way to determine either or both of
these through a couple of simple measurements?
Thanks,
David

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