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Ophthalmology news
Ophthalmology
Team develops contact lenses that respond to UV and temperature changes
The global rise in ocular diseases, largely due to insufficient ophthalmic diagnostics and monitoring, has emphasized the need for better treatment methods. Pioneering developments in therapeutic and diagnostic contact lenses ...
19 hours ago
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Diabetes
Study IDs barriers to eye screening among adults with diabetes
Food insecurity, housing insecurity, mental health concerns, and the perceived importance of practitioner concordance are associated with a lower likelihood of receiving eye care among adults with diabetes, according to a ...
16 hours ago
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Examining light contrast sensitivity of human retinal pathways in myopia
Across the entire animal kingdom, visual images are processed by two major neuronal pathways that extract light and dark stimuli from visual scenes—ON (light on) and OFF (light off) pathways.
17 hours ago
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Researchers claim vitamin supplements and new technology can help prevent secondary stroke
A team of researchers, including one from the University of Maine, argue that vitamin supplements can help prevent secondary strokes. They also advocate for the value of new technologies in eye research to verify these findings.
Nov 22, 2023
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Researchers help unravel brain processes involved in vision
Faced with images that break the expected pattern, like a do not enter sign where a stop sign is expected, how does the brain react and learn compared to being shown images that match what was predicted?
Nov 21, 2023
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The myopia epidemic: Blame computers not phones for short-sightedness, researcher says
A new study from The University of Western Australia has found the world is experiencing a myopia (short-sightedness) epidemic, and the main cause is computer screens rather than mobile phones or tablets.
Nov 21, 2023
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Researchers develop potential glaucoma treatment strategy to guide stem cells to the retina
Glaucoma is one of the leading causes of blindness worldwide, and vision loss, due to the loss of retinal ganglion cells (RGCs), cannot currently be reversed with any treatment. Some studies have looked at replacing RGCs ...
Nov 18, 2023
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Q&A: FDA's latest warnings about eye drop contamination—a team of infectious disease experts explain the risks
The Food and Drug Administration issued a warning in late October 2023 urging consumers to avoid purchasing and to immediately stop using 26 over-the-counter eye drop products because of risk of eye infection that could result ...
Nov 16, 2023
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The role of iron in blindness caused by ocular toxoplasmosis
Researchers from Nagoya University Graduate School of Medicine have identified the role of iron in ocular toxoplasmosis (OT), a form of toxoplasmosis that causes blindness. They found reduced iron concentration in the clear ...
Nov 15, 2023
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Study: When we see what others do, our brain sees not what we see, but what we expect
When we engage in social interactions, like shaking hands or having a conversation, our observation of other people's actions is crucial. But what exactly happens in our brain during this process: how do the different brain ...
Nov 14, 2023
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Is there a physiological explanation behind experiencing glare?
What is glare? Simply put, glare is visual discomfort often leading to annoyance, fatigue or even headaches. Perception of glare varies from person to person, and one set of lighting conditions may be comfortable for one ...
Nov 14, 2023
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Q&A: Infections from over-the-counter artificial tears—implications for patients and clinicians
The Food and Drug Administration (FDA) has recalled dozens of over-the-counter eye drops—artificial tears—in 2023 due to contamination and unsafe manufacturing practices. Four deaths from sepsis, 14 cases of vision loss ...
Nov 14, 2023
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Rodents may see moving objects in a way similar to primates, visual cortex study suggests
To accurately perceive the direction of moving objects, rats may exploit a small but very useful cluster of visual neurons, which seem to work in the same way as the "pattern cells" found in the cerebral cortex of primates. ...
Nov 13, 2023
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How much vision loss impairs your driving? New study has answers
A Mr. Magoo with thick glasses peering out from behind the wheel might not inspire confidence from his fellow motorists, but a new study shows other types of vision loss might be even more dangerous while driving.
Nov 10, 2023
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Wegovy, Ozempic probably won't harm vision in people with diabetes, study finds
There's good news for people with diabetes who are turning to drugs like Ozempic and Wegovy to treat their disease and lose weight: The drugs probably will not harm their vision.
Nov 9, 2023
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AAO: Diabetic retinopathy usually no worse with semaglutide in T2D
For patients with type 2 diabetes mellitus, most eyes have no worsening of diabetic retinopathy (DR) after initiation of semaglutide, according to a study presented at the annual meeting of the American Academy of Ophthalmology, ...
Nov 9, 2023
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AAO: Research highlights vision issues seen in pediatric sickle cell disease
For pediatric patients with sickle cell disease (SCD), ophthalmologic complications include nonproliferative retinopathy (NPR) and proliferative retinopathy (PR), which occur in 33 and 6 percent, respectively, according to ...
Nov 9, 2023
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Algorithm aids in early detection of age-related eye disease
Duke University researchers created a computer program that determines, with 94% accuracy, if a person's age-related macular degeneration (AMD) will worsen within a year.
Nov 8, 2023
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AI able to predict if and when people at high risk progress to glaucoma
AI (artificial intelligence) that is trained to recognize red flags in retinal images and clinical information can predict if and when people at high risk of glaucoma, usually referred to as "glaucoma suspects," go on to ...
Nov 3, 2023
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Biological engineers validate alternative treatments for AMD disease
A Utah State University professor and her team has found a possible solution for treating age-related macular degeneration, one of the leading causes of vision loss for older adults.
Nov 3, 2023
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