Some of the functions of tears include lubricating the eyes (basal tears), removing irritants (reflex tears), and also aiding the immune system. [6] Tears also occur as a part of the body's natural pain response. [7]
Tears are the clear, salty solution that glands above your eyes produce in response to different triggers. They’re made up of water, salt and more.
Tears are more an emotional response; they are a fundamental part of your eyes' health and function. In this comprehensive guide, we delve into the intricate world of tears, explore their multifaceted nature and the vital role they play in maintaining optimal ocular health.
The 3 Types of Tears: What They Are & What They’re Made Of
Tears keep your eyes wet and smooth, and they help focus light so you can see clearly. They also protect your eyes from infections and irritating things, like dirt and dust. Find out what tears are made of and how they protect your eyes.
Basal tears are present in the eyes at all times. They keep the eyes bathed in a salty liquid that constantly moisturizes and lubricates them. This ever-present liquid also washes dirt and dust out of the eyes, and with its antibacterial substances provides protection against infection.
Tears are essential to help you see clearly and maintain the health of your eyes. They can also help communicate your emotions. Your body makes three types of tears. Basal tears are in your eyes all the time to lubricate, nourish and protect your cornea.
We cry to protect our eyes, to wash out irritants and because, well, we are moved to tears. “There are three types of tears: basal tears, emotional tears and reflex tears,” explains David Silverstone, M.D., a professor of ophthalmology at the Yale School of Medicine.