Pocket-sized Retina Camera, no Dilating Required
It’s the part of the eye exam everyone hates: the pupil-dilating eye drops. The drops work by opening the pupil and preventing the iris from constricting in response to light and are often used for routine examination and photography of the back of the eye. The drops sting, can take up to 30 minutes to work, and cause blurry vision for several hours afterwards. Now, University of Illinois at Chicago College of Medicine and Massachusetts Eye and Ear/Harvard Medical School researchers have developed a cheap, portable camera that can photograph the retina without the need for pupil-dilating eye drops. Made out of simple parts mostly available online, the camera’s total cost is about $185.
“As residents seeing patients in the hospital, there are...
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