Bad luck or hygiene: Most "pink eye" is caused by a viral infection on the inner part of the eyelid and thin moist "skin"covering the eyeball-called the conjunctiva. Once infected its called "conjunctivitis." you infect your eye when you touch a surface (or person) with the virus and rub your eye-transfering the virus. Frequent hand washing helps prevent this. Sharing towels or pillows can also cause infection.
Answered 5/17/2019
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