4% 1/4%

1875

4%

Normal Vision Protanopia (Red Blind)

?

Deuteranopia (Green blind)Normal Vision

?

Protanopia (Red Blind) Deuteranopia (Green blind)

•

•

•

•

•

•

•

Normal Vision Protanopia (Red Blind)

Normal Vision Protanopia (Red Blind)

•

•

•

•

•

50%

50%

•

•

•

•

Apple as seen by person with normal colour vision (Top)

Apple as seen by person with red colour blindness (Bottom)

American Flag

Normal people

Red blind person

Green blind person

Violet blind person

Total colour blind person

As seen by

-

: 04872428740, 2441740

Dr. M. R. Ravi

Director,

Ahalia Foundation Eye Hospitals

Trichur