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A member asked:
What are tears made of besides water?
A doctor has provided 1 answer
Many components: Tears are basically a salt water solution containing also wetting agents (mucins), oils and a variety of proteins which can combat infection and nutrients for the cornea. They are actually quite complex and critical for the survival of the front of the eye.
Answered 6/22/2012
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How to control over water/tear production (for eyes)?
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