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

Silicone

Health care; Optometry

Type of flexible and comfortable plastic. Because it is commonly used in nose pads in eyeglasses, people who are allergic to silicone should ask their eye doctor for a different type of nose pad.

Epiretinal membrane

Health care; Optometry

Thin layer of scar tissue on the retina; also called a macular pucker. Epiretinal membranes have a variety of causes, including vitreous detachment, but the cause is often unknown. In its early ...

Jaundice

Health care; Optometry

Yellow colouring in the skin and eyes caused by high levels of a pigment called bilirubin. Jaundice is associated with a variety of conditions involving the liver, gallbladder and bile ducts, ...

Atopy

Health care; Optometry

Type of allergy where levels of the antibody immunoglobin E are increased; atopy includes rhinitis, asthma, hay fever and eczema.

Cornea

Health care; Optometry

The clear part of the eye covering the iris and pupil; it lets light into the eye, permitting sight.

When applied to numbers, a value that falls exactly in the middle of a specified range. Half of the numbers are above the median, and half of the numbers are below the median. As an example, "five" ...

Ocular migraine

Health care; Optometry

Visual phenomena that may accompany a migraine headache or that may occur without any headache. They include light flashes, spots, wavy lines, flickers, zig-zagging lights, semi-circular or ...