- Tears - Wikipedia
Tears are composed of water, salts, antibodies, and lysozymes (antibacterial enzymes); though composition varies among different tear types The composition of tears caused by an emotional reaction differs from that of tears as a reaction to irritants, such as onion fumes, dust, or allergens
- Facts About Tears - American Academy of Ophthalmology
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
- Why Do We Cry? The Truth Behind Your Tears
There are three kinds of tears, and each kind has a very different job Some tears keep your eyes moist, while others wash away debris and protect your eyes from infection
- What Are Tears Made Of? Types of Tears - Cleveland Clinic
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
- What Do We Know about Tears? - Yale University Press
Reactive tears are produced in greater quantities than basal tears, spilling out of the eyes to rid them of irritants But when our emotional state changes, and we experience intense and overwhelming feelings, this is when emotional tears will flow, unbidden, from the eyes
- What Are Tears Made Of and Why Do They Happen? 17 Facts
Your tears are produced by lacrimal glands located above your eyes Tears spread across the surface of the eye when you blink
- How Tears Work - National Eye Institute
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
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