Glasses

Glasses

Industry: Eyewear

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Glasses

base curve

Eyewear; Glasses

The curve on the back surface of the contact lens.

bifocal

Eyewear; Glasses

Corrective eyewear lenses containing regions with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hypermetropia, ...

blue blocker

Eyewear; Glasses

Lenses that block blue light.

blue blur

Eyewear; Glasses

A condition of unclear vision due to the blue light waves being short and scattering easily in the visible light spectrum. A blue blocker lens is recommended to remedy this aversion in visual acuity.