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Ophthalmology news
Neuroscience
What numbers do you see? A new bistable perceptual phenomenon on symbolic numbers
Perceptual recognition of numerical characters, like Arabic numerals, is indispensable for our daily activities in modern society. Studying the perceptual and neural mechanisms that endow us with the ability to understand ...
2 hours ago
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Ophthalmology
Study finds two common surgeries equally effective for treating blinding condition of the eyelid
Trachomatous trichiasis, a potentially blinding condition where inward-turned eyelashes scratch the front of the eye, can successfully be treated by either of the two most common types of eyelid surgery, according to findings ...
23 hours ago
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Scientists mix sky's splendid hues to reset circadian clocks
Those mesmerizing blue and orange hues in the sky at the start and end of a sunny day might have an essential role in setting humans' internal clocks.
Sep 16, 2024
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Assessing brain disorders: New eye sensors use special material that generates electricity when it bends
A University of Houston engineering team has developed wearable sensors to examine eye movement to assess brain disorders or damage to the brain. Many brain diseases and problems show up as eye symptoms, often before other ...
Sep 16, 2024
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Social determinants of health associated with diabetic eye-care quality
Patients who live in rural communities, Hispanic patients and Black patients with pre-existing diabetic retinopathy are less likely to receive annual diabetic eye exams than white patients, according to a recent Northwestern ...
Sep 16, 2024
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Socioeconomic inequality linked to increased risk of age-related macular degeneration
A recent study conducted by researchers from Shanghai Jiao Tong University School of Medicine and Fudan University has revealed a significant association between socioeconomic status (SES) inequality and the risk of developing ...
Sep 16, 2024
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Ingredient in hair dye led to woman's vision loss
An ingredient in the hair dye a French woman used caused her to develop a vision-robbing retinopathy, researchers report.
Sep 13, 2024
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AI tool uses eye imaging datasets to optimize diabetic eye screening
Researchers at King's College London have used anonymized NHS eye data from more than 100,000 people with diabetes to build an AI model that can accurately predict who is at a high risk of developing sight threatening diabetic ...
Sep 12, 2024
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Retinal disorder diagnosis improved by new AI-powered medical imaging
Population-based studies have shown retinal disorders are the most common cause of irreversible blindness in developed countries and the second most common cause of blindness after cataracts in developing countries. Medical ...
Sep 12, 2024
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Your eyes could reveal the first signs of many diseases
Melissa, a 30-year-old educator, came to the emergency department with a sudden onset of double vision. She had not been in an accident or suffered any trauma and had never experienced this symptom before. However, she noted ...
Sep 12, 2024
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Scientists search for new treatment target for diabetic retinopathy
Scientists at the Medical College of Georgia at Augusta University are searching for a new treatment target for a common complication of diabetes that can cause retinal blood vessels to break down, leak, or become blocked.
Sep 12, 2024
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Laughter may be as effective as drops for dry eye disease
Dry eye disease (DED) is a chronic condition estimated to affect around 360 million individuals worldwide. Common symptoms include uncomfortable, red, scratchy or irritated eyes.
Sep 11, 2024
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Gene therapy found to be effective in hereditary blindness
Bothnia dystrophy is a form of hereditary blindness, prevalent in the region Västerbotten in Sweden. A new study at Karolinska Institutet published in Nature Communications shows that gene therapy can improve vision in patients ...
Sep 10, 2024
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Gene therapy offers promise for treating glaucoma and age-related macular degeneration
Scientists from Trinity College Dublin have developed a highly promising gene therapy to treat glaucoma, a debilitating eye condition that can lead to complete vision loss, and which affects around 80 million people worldwide. ...
Sep 9, 2024
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Healthy tips to protect your eyes' retinas as you age
Getting older tends to go hand in hand with failing vision, but eye experts say there are things you can do to preserve your sight as you age.
Sep 9, 2024
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Study of older patients suggests 1 in 5 cases of dementia may be attributable to vision impairment
Prior research has found that there may be a connection between hearing loss in aging people and the onset of dementia. In a new study, a team of health care researchers and geriatric specialists affiliated with Johns Hopkins ...
100-fold improvement in sight seen after gene therapy trial
The vision of people with a rare inherited condition that causes them to lose much of their sight early in childhood was 100 times better after they received gene therapy to address the genetic mutation causing it. Some patients ...
Sep 5, 2024
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Understanding Graves' disease
Graves' disease is a condition of the immune system that leads to an overactive thyroid. It is caused by antibodies attacking the thyroid by mistake. The thyroid and the hormones it produces are the gas pedal for the body. ...
Sep 4, 2024
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Should my child get contact lenses? Pediatric ophthalmologist offers advice
For children with poor vision caused by refractive errors (problems with focusing), glasses are often the first choice. But many young people who play sports, might prefer contacts, since they don't break or fall off as easily ...
Aug 30, 2024
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MSC-mediated mitochondrial transfer holds therapeutic promise for Leber's hereditary optic neuropathy patients
In a recent study published in Science China Life Sciences, it has been demonstrated that MSC-mediated mitochondrial transfer can effectively restore mitochondrial DNA (mtDNA) and improve mitochondrial function in neural ...
Aug 29, 2024
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Zebrafish study confirms regenerated photoreceptor cells fully restore vision
Blinding diseases lead to permanent vision loss by damaging photoreceptor cells, which humans cannot naturally regenerate. While researchers are working on new methods to replace or regenerate these cells, the crucial question ...
Aug 27, 2024
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Free eye disease screening program engages high-risk adults
A novel free eye disease screening program is engaging adults at high risk for eye disease who are underusing eye care services, according to a study published online Aug. 22 in JAMA Ophthalmology.
Aug 27, 2024
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People of lower socioeconomic status less likely to receive cataract surgery in private clinics, research shows
Despite increased funding for cataract surgeries to private, for-profit clinics, access to surgery fell 9% for lower-income people, according to new research published in the Canadian Medical Association Journal.
Aug 26, 2024
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Study shows macrophages form in eye before birth, offering hope for diabetic retinopathy treatment
Macrophages, also known as scavenger cells, are part of our immune system. They destroy invading pathogens and are found in the organs and the bloodstream. Led by Prof. Dr. Peter Wieghofer, professor of cellular neuroanatomy, ...
Aug 19, 2024
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Make eye exams part of the back-to-school checklist. Your kids and their teachers will thank you
When a little boy burst into tears in her third-grade classroom last fall, Audrey Jost pulled him aside while the other kids were at recess. He said he was getting headaches and falling behind the other students, so Jost ...
Aug 17, 2024
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