Eye Health

Presbyopia and How the Eyes Autofocus: I am A __________

Thursday, October 30, 2014
16 Across, 6 letters, I Am A ______. If you've done enough crossword puzzles, you're bound to have come across this clue. I've struggled through enough puzzles to figure out the answer is "camera," but I've never understood the intertextuality of it. It does always make me think of the eye, and it's amazing ability to autofocus quickly from distance to near and back again. When the eye is focused on a distant target, the pupil is wider and the muscles within the eye are relaxed. ..

Amblyopia: Treating Lazy Eye with Tetris

Friday, October 24, 2014
The classic addictive video game Tetris is being used in research to treat amblyopia, or "lazy eye," with optimistic initial results. Amblyopia is the condition where one eye has reduced vision, not due to any structural problem with the eye, but due to a less than optimal connection between the eye and the visual centers in the brain. Amblyopia typically occurs when the image in one eye is blurry but the other is clear. The problem occurs because during a critical period of br ..