how vision impairment results?

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because of the revolutioinary techniques and technology that have allowed us to thoroughly study the eye in recent years,however,we now know how untreated glaucoma can results vision impairment aand blindness. all of the images that are percieved byour eyes as rays of light land eventually on the retina,where they are translated into a series of signals that can be sent along the eye's optic nerve often inlilened to a kind of electronic cable that contains millions of tiny nerve fibers or wires for transmitting these translate3d messeges,which the retina already has broken down i8n to separate signals for our peripheral vision and our central vision.