snowblindness


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snowblindness

 [sno´blīnd-nes]
temporary loss of sight due to injury to superficial cells of the cornea caused by ultraviolet rays of the sun reinforced by those reflected by snow.
The transient loss of vision caused by UV-light-induced corneal damage
Management Topical anaesthetics, homatropine drops, gentamicin, systemic analgesics
Prevention UV-protective sunglasses

snowblindness

Sports medicine The transient loss of vision caused by UV-light-induced corneal damage Clinical Tearing, conjunctival hyperemia, corneal clouding, superficial punctate keratitis Treatment Topical anesthetics, homatropine drops, gentamicin, systemic analgesics
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One revealing passage concerns the use of a legal code by post-totalitarian states: "This could all be done, of course, without a legal code and its accessories, but only in some ephemeral dictatorship run by a Ugandan bandit, not in a system that embraces such a huge portion of civilized humankind and represents an integral, stable and respected part of the modern world."(14) Unfortunately, all the resonant terms of Havel's existentialist humanism - "life," "truth," "humanity," "society," "community," "civilization," "people," "individual" - are here contaminated by a radical ethnocentric snowblindness. Before each of these common nouns he does not seem to realize that he has silently placed a European proper name.
As our medic found out to his cost, snowblindness can occur even when the sun is obscured by cloud, thanks to the light that reflects off the surface of the snow.
Giorgio said he has been hurt on climbs before - a broken vertebrae, snowblindness, and his kidneys even shut down once - but nothing like the beating his body took this time.