Sunburn, usually associated with red, burning skin can also occur on the eyeballs, as journalist Anderson Cooper learned while on a reporting trip in Portugal when he went blind for 36 hours.

The reporter, who was on assignment for CBS’ 60 Minutes, shared a photo of himself Tuesday on Instagram with his right eye covered by a patch.

“Temporarily blinded last week while on assignment. UV light bouncing off water. Much better now,” Cooper wrote...

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