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Eyewear
Eyeglasses, goggles or other objects worn over the eyes, usually to aid vision or for protective purposes.
5Categories 7261Terms
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Eyewear > Optometry 
free radicals
Health care; Optometry
Atoms or molecules with unpaired electrons that are highly chemically reactive. Free radicals are capable of causing tissue damage and accelerating the effects of aging through a ...
Graves' ophthalmology
Health care; Optometry
Autoimmune eye disorder usually associated with abnormalities of the thyroid gland; symptoms include eyelid retraction, bulging eyes, light sensitivity, eye discomfort, double ...
liver spot
Health care; Optometry
Benign dark spot on the skin, usually brown, that is associated with exposure to sunlight. Liver spots tend to increase in size.
metamorphopsia
Health care; Optometry
Vision problem in which objects appear distorted. For example, straight lines may appear to be wavy, curved or bent, objects may appear to be larger or smaller than they actually ...
beta titanium
Health care; Optometry
Titanium alloy. Beta-titanium eyeglass frames are both strong and flexible.
contrast sensitivity
Health care; Optometry
The ability of the eye to detect the line of demarcation between an object and its background or an adjacent object.
Sub-categories
- Contact lenses (3070)
- Eye surgery (2811)
- Glasses (802)
- Optometry (16172)
- Sunglasses (524)