Currently, in order to make a diagnosis of schizophrenia, a doctor must assess a patient's reported symptoms … which can be somewhat subjective. According to a recent study, however, an existing optometrist's tool may be able to do the job quickly and objectively.
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There's a limited supply of donor human corneas, meaning that not everyone who needs an eyesight-saving transplant can get one. As a result, biosynthetic corneas have recently been developed. These could become quicker and easier to produce, as scientists have successfully 3D-printed the things.
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VR is great at immersing us in gigantic worlds that seem to go on forever – until you bump into the living room wall. Now computer scientists have developed a system that tricks you into walking around in circles in the real world, while thinking you’re moving longer distances in the virtual world.
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The transparent sections of the glasswing butterfly's wings barely reflect any light, which is why we've previously heard about them inspiring glare-free device screens. Now, their antireflective quality has led to an improvement in a glaucoma-monitoring eye implant.
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Contact lenses may be useful for restoring vision to short- or long-sighted people, but not so much at correcting color blindness. Now researchers from the University of Birmingham have developed a contact lens that can help correct certain kinds of color blindness, thanks to a safe, low cost dye.
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For many years, people suffering from dry eye disease have turned to omega-3 fatty acid supplements to help relive their symptoms. According to a new study funded by the US National Eye Institute (NEI), however, such supplements make virtually no difference.
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In order to diagnose glaucoma, a device known as a gonioscope is most often used … and it has to be pressed against the patient's eyeball. That may not be necessary for much longer, however, thanks to a new pen-shaped camera called the GonioPEN.
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Approximately half of the people who have had type 2 diabetes for over 10 years experience nerve damage, which typically begins in their feet. Because this can result in wounds and even amputations, it's important to know when it's starting – and an eye test may be all that's required to find out.
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Gadolinium, a contrast agent used to improve MRI imaging, has been shining a light on brain diseases and damage for years. Now scientists from the NIH believe it could be about to reveal more, with the chance discovery of gadolinium leaking into the eyes of stroke patient MRIs.
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According to a recent study from North Carolina's Duke University, moving our eyes causes our eardrums to move, too. The scientists say that the finding may lead to a new understanding of hearing disorders, such as the difficulty that some people have with following a conversation in a crowded room.
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