"Snow blindness" redirects here. For other uses, see Snowblind (disambiguation).
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Medical condition
Photokeratitis
Specialty
Ophthalmology
Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.
The injury may be prevented by wearing eye protection that blocks most of the ultraviolet radiation, such as welding goggles with the proper filters, a welder's helmet, sunglasses rated for sufficient UV protection, or appropriate snow goggles. The condition is usually managed by removal from the source of ultraviolet radiation, covering the corneas, and administration of pain relief. Photokeratitis is known by a number of different terms including: snow blindness, arc eye, welder's flash, bake eyes, corneal flash burns, flash burns, niphablepsia, or keratoconjunctivitis photoelectrica.
lead to photokeratitis. In 2010, the Department of Optometry at the Dublin Institute of Technology published that the threshold for photokeratitis is 0.12...
dictionary. Snowblind or Snow Blind may refer to: Snow blindness or photokeratitis, a type of temporary eye damage caused by snow reflecting UV light Snowblind...
magnitude. Damage to the eye(s) caused by ultraviolet rays is known as photokeratitis. Karmakar, RN. Forensic Medicine and Toxicology. Academic Publishers...
caused by incomplete or inadequate eyelid closure (lagophthalmos). Photokeratitis — keratitis due to intense ultraviolet radiation exposure (e.g. snow...
UVA does not cause immediate reaction, but rather UV begins to cause photokeratitis and skin redness (with lighter skinned individuals being more sensitive)...
Acute impacts on the eyes and skin can include conditions such as photokeratitis (often termed "snow blindness") and erythema (reddening of the skin)...
of the immune system, and damage to the eyes, including cataracts, photokeratitis (snow blindness) and eye cancer. Injuries caused by tanning devices...
seal bones or reindeer antlers, to protect against snow blindness (photokeratitis). In the 1960s, Australia - particularly Queensland - launched the first...
Assigned to forced labour in the Siberian wilderness, he developed photokeratitis which forced him to wear protective sunglasses for the rest of his life...
Global Information
