??????????

??

??????

???????????????????

?????

?????????????????????????????????(????????)???????????????????

The top image shows how the light enters the eye but does not reach the retina. The bottom image shows how a concave lens can correct myopia, causing the light to reach the retina.

?????????

  • ???????????
  • ??

As featured weekly on
“
As they say in Chennai, "NANDRI" (Tamil word for 'thank you') to Unite For Sight for changing my life, and improving the lives of thousands around the globe.
”
—Hibah Ayaz, Unite For Sight Volunteer in Chennai, India