Blindness

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The patients had some, although severely diminished, visual function during the day, however, at night they were essentially blind, with light sensitivity 10,000–100,000 times less than normal.The patients had Leber Congenital Amaurosis, a type of genetic congenital blindness.According to researchers at the Scheie Eye Institute at the Perelman School of Medicine at the University of Pennsylvania, adults with a genetic form of childhood-onset blindness experienced remarkable recoveries of night vision within days of…

The 58-year-old Oscar winner said in his August 2022 GQ cover story that he wanted to "meet another person" who also has the condition. He first spoke about his suspicion of suffering from prosopagnosia in 2013 Brad Pitt. Pic/AFP Brad Pitt has revealed that he thinks he has prosopagnosia, a rare 'face blindness' disorder, but 'no one believes him'.As per Page Six, Pitt, who has not been formally diagnosed, worries about…

Scientists in Europe have discovered a molecular “zipper” mechanism that can lead to cell death in the genetic disease retinitis pigmentosa. The good news is that injecting certain proteins could slow down or prevent vision impairment from the disease.Retinitis pigmentosa is a relatively common hereditary disease that affects the photoreceptors, cells in the eye that register light. As they degenerate, patients will start to lose their night vision and peripheral vision, and over decades can become partially or completely…

Glaucoma is one of the leading causes of blindness across the globe. People suffering from glaucoma have their optical nerves damaged. This nerve damage, which curbs the relay of visual information to the brain, is often caused by abnormally high pressure in the eye. Wouldn't it be useful if there's a way to reduce eye pressure to avoid glaucoma? A team of researchers have developed a compact wireless device – a flexible (smart) contact lens – that appears to detect rising eye pressure. It then releases a drug on demand…

A flexible contact lens that senses eye pressure and releases a drug on-demand could help treat glaucoma, the second leading global cause of blindness worldwide.The compact wireless device, which has been developed by a team of Chinese researchers and tested in pig and rabbit eyes so far, appears to detect and reduce rising eye pressure, one of the usual causes of glaucoma.  Glaucoma is an umbrella term for a group of eye diseases where damage to the optic nerve, which relays visual information to the brain, causes…