Why do populace blink?




Answers:    Blinking provides moisture to the eye by irrigation using tears and a lubricant the eyes secrete. The eyelid provides suction across the eye from the split duct to the entire eyeball to keep it from drying out.

Blinking also protects the eye from irritants and removed irritants from the surface of the cornea and conjunctiva
People blink to moisten their eyes.

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