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opt MAGAZINE

The Best Resource for Eyecare Professionals

Once is not Enough

March 3, 2016 by opt

Once is not Enough

Why should we calibrate? I would hope that at some point during your life, you will have the opportunity to witness the “Changing of the Guard” at Arlington National Cemetery in Washington D.C. The first time for me was as a small child in the ‘60s and I vividly remember how precise it was. Since that time, I have been honored to witness this two more times. It is still … [Read more...]

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