Tears are a critical part of eye health. They moisten the eyes, protect them from debris and provide a release for emotions and pain.
Nuvision - Did you know there are 3 kinds of tear? Basal
Tears
Keita Suzuki realizes a Chair made of Tears
A tear is made of 1% water and 99% feelings – Exquisite Arts
Optase Dry Eye Intense Drops - Preservative Free for
sad
Tear Film - American Academy of Ophthalmology
Where do tears come from? Does the eye have a 'tear' reserve? - Quora
Why Do We Cry? The Truth Behind Your Tears