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

Drainage angle

Health care; Optometry

In glaucoma terminology, "angle" refers to the drainage channel for the aqueous humour in the eye; improper drainage can lead to the high intraocular pressure associated with glaucoma. In ...

How long you wear your contact lenses: either daily wear (you remove the lenses each night) or extended wear (you may sleep with them in). It's important to differentiate between wear schedule and ...

Tay-Sachs disease

Health care; Optometry

Hereditary disorder resulting from a deficiency of the enzyme hexosaminidase. Symptoms include blindness, delayed development, seizures and paralysis. Tay-Sachs disease often results in an early ...

Macular hole

Health care; Optometry

Hole in the eye's macula; many doctors believe it can be caused by vitreous shrinkage as we age. Symptoms include blurring or a blind spot in central vision and metamorphopsia.

Spatial frequency

Health care; Optometry

In optics and other fields, a measure of how often a repeating structure (such as a vertical line or bar) appears within a given unit of distance.

Capsulotomy

Health care; Optometry

In cataract surgery, an incision into the capsule that contains the natural crystalline lens of the eye, in order to remove and replace the natural lens with an artificial one.

Vector

Health care; Optometry

In gene therapy, an agent such as a modified virus used to carry and transport genetic material that is then transferred into recipient cells in an organism.