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!
How you see with healthy vision
How you see with refractive errors (nearsightedness, farsightedness, and astigmatism)
How you see with cataracts
How you see with glaucoma
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