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Diabetic Retinopathy
'Twinkle after-effect' can help retinal patients detect vision loss quickly and cheaply
November 5th, 2007
Scientists at Schepens Eye Research Institute, an affiliate of Harvard Medical School, have discovered a simple and inexpensive way for patients with retinal and other eye disease to keep track of changes in their vision loss. In a study published in PLoS ONE (October 24, 2007) they demonstrate that a compelling visual illusion known as the induced twinkle after-effect (TAE) can accurately identify the location and breadth of actual blind spots in people with retinal disease. The twinkle after-effect is a "twinkling" that people can see in a blind spot when they stare at a blank screen after staring at a noisy visual target such as a detuned television screen. ...
Source: Health & Medicine Week (2007-11-05)
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