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Showing posts with the label Eyes

Gene Therapy Successfully Restores Cone Function in Colorblind Children

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The study, which took advantage of the plasticity of the emerging neural networks in the developing teenage brain, provides optimism that the therapy is successfully reactivating brain-retinal communication channels that had remained dormant. Academic research has been conducted to determine whether the medicine is changing the brain circuits specific to the cones in conjunction with a phase 1/2 clinical study in children with achromatopsia. Achromatopsia is caused by one or a few genes having disease-causing mutations. It has an impact on cone cells, one of the two types of photoreceptors in the eyes (the other being rods). Because cones are crucial for color vision, people with achromatopsia are completely colorblind in addition to having very poor overall vision and finding bright light painful (photophobia). Since the dormant cone cells exist but do not send messages to the brain, researchers are working to revive them. "Our study is the first to directly confirm popular belie...

Scientists Find That the Loss of a “Youth” Protein Could Drive Aging

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In mice missing a protective protein in their eyes, age-related macular degeneration-like symptoms appear. The loss of the protein pigment epithelium-derived factor (PEDF), which safeguards retinal support cells, may hasten age-related alterations in the retina, infers a recent National Eye Institute (NEI) study in mice. Given that the retina is the light-sensitive tissue at the back of the eye, age-related retinal illnesses such age-related macular degeneration (AMD) can result in blindness. The newly discovered facts might aid in the creation of drugs to halt AMD and other age-related disorders of the retina. In the International Journal of Molecular Sciences, the study was published. The National Institutes of Health includes NEI. According to Patricia Becerra, Ph.D., head of the NEI's Section of Protein Structure and Function and senior author of the study, PEDF has been referred to as the "youth" protein because it is plentiful in juvenile retinas but drops with agin...

Not Harmless Toys: Paintball Guns Are More Dangerous Than Previously Thought

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Twelve of the 20 patients with eye injuries that the study looked at required surgery. Paintball guns are more likely to result in severe eye damage than previously believed, according to a recent study. After analyzing data on paintball gun attacks over a two-year period, researchers from the University of Chicago Medicine found that more patients than expected experienced vision-threatening emergencies after being hit in the eye, with some suffering an eyeball rupture or even going permanently blind. According to senior author Shivam Amin, MD, a second-year resident in the Department of Ophthalmology and Visual Science at the University of Chicago Medicine, "Many of these patients had disastrous consequences, such as irreparable vision loss." "Paintball guns may be seen by some as innocuous toys, but when used without adult supervision, they may be quite dangerous, especially when used as assault weapons and targeted at the head." The study, which was just release...