Eyewear

Eyewear

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

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Eyewear > Contact lenses

day blindness

Eyewear; Optometry

Common term for Hemeralopia.

ultrasound

Eyewear; Optometry

Procedures using sound waves to measure certain portions or detect abnormalities within the eye. See A Scan and B Scan.

decentration

Eyewear; Optometry

A complication of refractive surgery. In perfect centration, the center of the corneal ablation exactly coincides with the center of the visual axis and/or pupil. This is like ...

deep lamellar endothelial keratoplasty

Eyewear; Optometry

An endothelial cell transplant technique wherein a disk of endothelial cell tissue is removed from a donor cornea and placed on the underside of the recipient cornea, replacing a ...

um

Eyewear; Optometry

Abbreviation meaning 10 to the -6 power meter.

depth of focus

Eyewear; Optometry

The range of distance that objects are in focus. Depth of focus is directly affected by accommodation, the ability of the natural crystalline lens within the eye to change shape ...