Lenses
| Definition: |
Pieces of glass or other transparent materials used for magnification or increased visual acuity. |
| Notes: |
for microscopes, magnifying glasses, telescopes, etc. but not for eyeglasses or sunglasses ( = EYEGLASSES); see next entry |
Lenses Categories.
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Contact Lenses - Lenses designed to be worn on the front surface of the eyeball. (UMDNS, 1999) |
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Eyeglasses - A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which EYE PROTECTIVE DEVICES is available. |
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Lenses, Intraocular - Artificial implanted lenses. |
Lenses Definitions and Terms
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