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ABO NOCE Basic Opticianry

Category - Ophthalmic Products

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Which photochromic lens listed below will have variances in color depending on the thickness of the lens?

Transition lens
Photo Gray Extra lens
Sunsensor lens

Explanation

Answer: B - A Photo Gray Extra lens will have variances in color depending on the thickness of the lens.

With a plus prescription, the center of the lens will be darker and with a minus lens the center will be lighter in color.

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