Difference between revisions of "AY Honors/First aid/Snow blindness"

Revision as of 02:45, 8 September 2021

Exposure to reflected sunlight from snow, ice, or water, even on grey overcast days, can result in sunburn of the tissues comprising the surface of the eye, as well as the retina, producing snow blindness.

Symptoms: Symptoms may not be apparent until up to 12 hours after exposure. The eyes initially feel irritated and dry; then, as time passes, eyes feel as though they are full of sand. Blinking and moving the eyes may be extremely painful. The eyelids are usually red, swollen, and difficult to open.

Remedial Action: A mild case will heal spontaneously in a few days, but you can obtain some relief by applying cold compresses and a lightproof bandage. An ophthalmic ointment can be applied hourly to relieve pain and lessen the inflammatory reaction.

WARNING: Do not rub your eyes.

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-Exposure to reflected sunlight from snow, ice, or water, even on grey overcast days, can result   in sunburn of the tissues comprising the surface of the eye, as well as the retina, producing   snow blindness.
+Exposure to reflected sunlight from snow, ice, or water, even on grey overcast days, can result in sunburn of the tissues comprising the surface of the eye, as well as the retina, producing snow blindness.
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-;Symptoms:  Symptoms may not be apparent until up to 12 hours after exposure.  The eyes initially feel irritated and dry; then, as time passes, eyes feel as though they are full of sand.  Blinking and moving the eyes may be extremely painful.  The eyelids are usually red, swollen, and difficult to open.
+;Symptoms: Symptoms may not be apparent until up to 12 hours after exposure. The eyes initially feel irritated and dry; then, as time passes, eyes feel as though they are full of sand. Blinking and moving the eyes may be extremely painful. The eyelids are usually red, swollen, and difficult to open.
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-;Remedial Action: A mild case will heal spontaneously in a few days, but you can obtain some relief by applying cold compresses and a lightproof  bandage.  An ophthalmic ointment can be applied hourly to relieve pain and lessen the inflammatory reaction.
+;Remedial Action: A mild case will heal spontaneously in a few days, but you can obtain some relief by applying cold compresses and a lightproof bandage. An ophthalmic ointment can be applied hourly to relieve pain and lessen the inflammatory reaction.
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