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Eyewear

Eyeglasses, goggles or other objects worn over the eyes, usually to aid vision or for protective purposes.

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Eyewear > Optometry

spherocylindrical lens

Eyewear; Optometry

Lens with one spherical surface and one cylindrical surface.

surface power

Eyewear; Optometry

Ability of a surface (or part of a surface) to change the vergence of a bundle of rays incident in air at the surface.

synoptophore

Eyewear; Optometry

An instrument designed to present interchangeable targets to each eye and with the ability to move targets independently in order to present them at different versional and ...

test stimulus

Eyewear; Optometry

Stimulus used to determine differential light sensitivity in each tested location of the visual field.

slit lamp microscope

Eyewear; Optometry

Instrument consisting of a microscope and a swivelling illumination system providing a slit image.

single-vision lens

Eyewear; Optometry

Lens designed to provide a single dioptric power.

side

Eyewear; Optometry

That part of the trial frame which uses the subject's ears to retain the frame against the face.

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