why do our eyes feel like they have sand or grit in them when we’re very tired ?

833 views

why do our eyes feel like they have sand or grit in them when we’re very tired ?

In: 4050

33 Answers

Anonymous 0 Comments

Irritated corneal nerves. They are ‘naked’ and their concentration is so dense in the cornea.

You are viewing 1 out of 33 answers, click here to view all answers.