Quick Answer
Yes, specific activities increase the risk of snow blindness from the sun's glare off snow. Prolonged exposure to direct sunlight in snowy conditions is the primary risk factor. Activities involving snow travel, recreation, or work in snow-covered areas heighten this risk.
Activities that Increase Risk
Prolonged snow travel, such as skiing, snowmobiling, or snowshoeing, increases the risk of snow blindness due to prolonged exposure to the sun’s glare off snow. Additionally, individuals who work in snow-covered areas, such as snow removal or avalanche control, are also at higher risk. Furthermore, those engaging in activities that involve frequent stops or prolonged stationary periods, such as snowboarding or snow tubing, are also at risk.
Precautions to Prevent Snow Blindness
Preventing snow blindness involves wearing proper eye protection. Wear sunglasses or goggles that block 99-100% of UVA and UVB rays, which are typically found in lenses with a UV 400 rating. Additionally, consider wearing ski goggles with a wrap-around frame to block peripheral glare. If you don’t have eye protection, you can also use a hand to shade your eyes from the sun. However, this is not a substitute for proper eye protection.
Symptoms and Treatment
Symptoms of snow blindness can include eye pain, blurred vision, tearing, redness, and sensitivity to light. If you experience any of these symptoms, remove your gear and rest in a shaded area for at least 30 minutes. If symptoms persist, seek medical attention. In severe cases, snow blindness can cause temporary vision loss, so prompt treatment is essential.
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