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Germs can penetrate the eyes, but bacterial infections in the eye are relatively rare. Why is this?

April 26, 2017bacterial eye eyes germs infections PENETRATE rare relatively

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Germs can penetrate the eyes, but bacterial infections in the eye are relatively rare. Why is this?

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Blinking crushes bacteria that try to enter the eye. Eyelashes act as shields preventing germs from entering the eye. Tears, which constantly wash over the eye, contain an anti-bacterial enzyme. The number of bacteria that can actually infect the eye is quite small.