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

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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'''
 
  
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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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;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'''
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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.
  
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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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;WARNING: Do not rub your eyes.
  
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;WARNING: Do not rub your eyes.
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[[Category:Adventist Youth Honors Answer Book/Transcluded Modules]]

Revision as of 03:50, 29 September 2009

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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