According to the WHO Director-General, internationally, people who need eye care should be able to receive quality interventions without suffering financial hardship.
A brain implant has made a remarkable difference in allowing people without sight to detect motion and distinguish between light and dark.
Dry eye is when you aren't making enough tears to keep the front surface of the eye lubricated, or your tears don't have enough water in them.
In a clinical trial to help bring sight to the blind, participants were able to see by using visual cortical prosthesis that has been surgically implanted in the brain.