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opt MAGAZINE

The Best Resource for Eyecare Professionals

Waiter! There’s some cylinder in my sphere!

March 7, 2016 by opt

Waiter! There’s some cylinder in my sphere!

NERD ALERT! (for all your super-duper techie stuff) One of the most frequent ‘problems’ that I hear about when talking about compensated lenses is when we’re dealing with spheres. All too frequent are exchanges like this: Doctor:    I ordered this lens as a sphere, but there’s cylinder in it - it’s wrong! Lab:    Yes, I understand you ordered it as a sphere, but the … [Read more...]

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