Microscopic Images Reveal The Beauty Of Human Tears

Kimberly Solis
Sat, 01 Aug 2015 10:41:36 -0700

Our eyes tear up for various reasons. The most common, known as basal, are involuntary tears that are continuously being released to keep the cornea moist. Then there are reflex tears that are shed when eyes are exposed to irritants like dust or onion vapor. And finally, emotional or psychic tears that pour out when one is experiencing extreme happiness or grief.