| That long term exposure to the sun can lead to potentially blinding conditions such as cataracts and macular degeneration.
Reflected sunlight -- light that bounces off water or even snow, for example can be the most dangerous type of UV (ultraviolet) light because it is intensified.
Your eyes can also receive a sun burn known as photokeratitis, which can cause pain, redness and tearing.
UV light sources other than the sun, such as welding lamps or tanning booths can also harm your eyes.
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