Oliver Sacks Discusses Vision And ‘the Mind’s Eye’

The Facts About Eye Floaters and Flashes

And I wondered if this – if you took these up later in life, if this – or if you’ve always been just a curious person. Dr. SACKS: Well, I think I’ve always been curious, and that some of these are sort of boyhood interests which have persisted, but there are new ones as well. And when I want to take a vacation from neurology, then I will take it in botany or chemistry or music or whatever.
For the original version including any supplementary images or video, visit http://www.npr.org/2010/12/03/131785460/Oliver-Sacks-Discusses-Vision-and-The-Mind-s-Eye

What Are the Advantages of PRK Eye Surgery? PRK eye surgery is highly accurate in correcting many cases of nearsightedness. Approximately 80% of PRK patients have 20/20 vision without glasses or contact lenses one year after the surgery; 95% to 98% have 20/40 or better without glasses or contacts. What Are the Disadvantages of PRK Eye Surgery?
For the original version including any supplementary images or video, visit http://www.webmd.com/eye-health/eye-health-photorefractive-keratectomy-pr-eye-surgery

Photorefractive Keratectomy Eye Surgery

photorefractive keratectomy

Eye flashes result from thickened vitreous gel pulling and rubbing on the retina, causing visual effects that look like lightning streaks or light flickers. These flashes may appear off and on for a few weeks or months, but normally fade over time. If you see flashes accompanied by floaters, you most likely are experiencing PVD. Flashes also can be caused by an oncoming migraine headache. In these instances, the eye flashes often will look like jagged lines or heat shimmers that last between 10 and 20 minutes. Time Is Your Best Treatment Eye floaters and flashes caused by the vitreous gel are most visible when you are looking at a plain, light-colored background. Close one of your eyes and look at an empty wall, a blue sky, or a white background on a computer screen.
For the original version including any supplementary images or video, visit http://www.everydayhealth.com/vision-center/the-healthy-eye/floaters-flashes-retinal-tears.aspx


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