Unit 3-Tints & Coatings Flashcards by Madison Adrianna | Brainscape

Q

Photochromics…

When did development start?

A

Late 1880’s

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Q

What UV is transmitted to the crystalline lens?

A

UVA

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Q

Transitions start being produced…

A

1990

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Q

Which UV segment is transmitted to the crystalline lens?

A

UVA

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Q

Speed of light in the air?

A

186,000

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Q

Polarized lenses are made by

A

Stretched sheet of polyvinyl acetate dipped in iodine.

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Q

Higher specific gravity would NOT help reduce lens thickness.

T/F

A

True

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