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A member asked:
Eagle eyes are sharp, why no transplant of corneal for human?
4 doctors weighed in across 2 answers
More than cornea: Birds have the largest eyes relative to their size in the animal kingdom. Eagles have two maculas per eye. One set works for depth perception & the other set points off to the side. The result is extremely sharp vision across a panoramic view, not just centrally like us. Their ciliary muscles can change the shape of the lens rapidly and to a greater extent than mammals'.
Answered 12/20/2012
6k views
Raptor eyes: Not quite. Raptors have two foveas connected by a visual streak. Their eyes are so large they cannot move. Fovea #1 is for far vision (seeing prey), and as they dive, the image goes down the visual streak until imaged on fovea #2 at the level of the talons. This allows them to catch their prey. Focusing has little to do with it.
Answered 12/20/2012
6k views
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