The Four Principal Causes of Blindness

Ever wonder how vision is affected by refractive error, cataract, glaucoma or macular degeneration? National Geographic included some nice visuals in this article. For an added bonus, they also introduced some exciting retinal technology research (think stem cell, gene therapy and various implants) to potentially cure blindness!

healthy vision image

How you see with healthy vision

 

nearsighted, farsighted, astigmatism views

How you see with refractive errors (nearsightedness, farsightedness, and astigmatism)

 

cataract view

How you see with cataracts

 

glaucoma view

How you see with glaucoma

 

macular degeneration view

How you see with age-related macular degeneration

For more details, visit The Four Principal Causes of Blindness on National Geographic’s site

Posted from Princeton Eye Group link

September 13, 2016 at 08:10PM