xham

xham

Glass lenses are scratch resistant and easily tinted, but are double the weight of plastic lenses. Glass lenses have excellent optical qualities and can have a refractive index as high as 1.90. Glass lenses need to be thicker than newer lens materials like high index plastic.

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Part of Speech: noun
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Industry/Domain: Eyewear
Category: Glasses
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Related terms

balistike

Eyewear; Glasses

Involves high velocity projectiles. Ballistic eyewear is shatter-resistant, rugged and exceeds ANSI Z87.1 safety and military MIL-STD-662 standards.

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Eyewear; Glasses

Anything related to the eye

miopi

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Nearsightedness. Those with myopia see nearby objects clearly but distant objects appear blurred.

kontrast

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The difference in brightness between the light and dark parts of an image. A higher contrast lens provides greater visual acuity.

masë e syrit

Eyewear; Glasses

The horizontal measurement of the lens on any frame at its widest part. This measurement is measured in millimeters.

bosht

Eyewear; Glasses

Indicates the placement in degrees of the astigmatic lens.

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