And then, he thinks, from this prototype, then selection could set in and make all of these wonderful eye types -- the eye of an eagle, or of a squid, or of a Drosophila, a fruit fly. Interestingly ...

This article will explore symptoms, types of retinal disease, risk factors, prevention, and when to get an eye examination ... and vein occlusion. All can threaten your sight if ignored.

And then, he thinks, from this prototype, then selection could set in and make all of these wonderful eye types -- the eye of an eagle, or of a squid, or of a Drosophila, a fruit fly ...