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What is the function of eyelashes?

Arthur W. Perry, MD
Plastic Surgery
Long, thick eyelashes have been a sign of good health and beauty for thousands of years. But we can't forget that the real function of eyelashes is to provide an "early warning system" that keeps projectiles, like sand and insects, out of your eyes. Particles that hit the lashes trigger a lightening fast blink reflex that protects your cornea from injury.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.