Optometry

Optometry

A health care profession concerned with eyes and related structures, as well as vision, visual systems, and vision information processing in humans. The practice of eye and vision care.

Industry: Eyewear; Health care

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Optometry

Toric

Eyewear; Optometry

A contact lens that is designed to correct sphere and astigmatism. A toric lens is weighted on the bottom so it will maintain the same axis position of the astigmatic correction.

Cyclopegic refraction

Eyewear; Optometry

An examination of the eye to determine refractive error while the natural crystalline lens of the eye is paralysed and unable to accommodate.

Trabecular meshwork

Eyewear; Optometry

The spongy, mesh-like tissue near the front of the eye that allows the aqueous fluid to flow to Schlemm's canal then out of the eye through ocular veins.

Transition zone

Eyewear; Optometry

The area of laser ablation that changes for the full correction of the central ablation zone optical ablation zone to the original surface depth of the cornea.

Cyclotorsion

Eyewear; Optometry

When eyes rotate clockwise or counterclockwise. This often occurs when a person changes from vertical (standing or sitting up) to horizontal (lying down) position.

Corrective lenses that have three powers of correction. Typically the majority of the lens is corrected for distance vision while a small area is corrected for near vision and another small area is ...