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Ophthalmology news

Psychology & Psychiatry

From field to lab: Study reveals how people with vision loss judge approaching vehicles

Patricia DeLucia has spent decades studying something many of us never think about: judgments about collisions that are crucial for safety. But the roots of her research stretch back to her childhood, long before she became ...

Diabetes

How diabetes affects your eyes

While eye care and regular eye exams are important for everyone, they're particularly vital for people with diabetes.

Ophthalmology

Gas-permeable lenses beneficial after congenital glaucoma surgery

For children undergoing primary congenital glaucoma (PCG) surgery, use of rigid gas-permeable contact lenses (RGPCLs) is associated with superior visual acuity compared with spectacles, according to a study published online ...

Neuroscience

Brain stimulation found to improve vision recovery after stroke

Scientists at EPFL have developed an innovative, non-invasive brain stimulation therapy to significantly improve visual function in stroke patients who have suffered vision loss following a stroke. The approach could offer ...

Ophthalmology

VR headsets may actually reduce risk of dry eye

Virtual reality (VR) gaming has gained significant attention in recent years, with an increasing number of users integrating VR and immersive headsets into their daily lives. These devices provide highly immersive visuals, ...

Diabetes

Protecting against diabetic corneal disease

A Cedars-Sinai study helps explain why half of diabetes patients experience deterioration of the cornea, the transparent dome-shaped outer layer of the eye that provides protection and focuses incoming light. The findings, ...

Neuroscience

Time change: What neuroscience reveals about our internal clock

It's well-known that neural circuits help synchronize our biological clock with the day-night cycle. But just how exactly do those circuits develop, and can better understanding the process help, for example, in treating ...

Psychology & Psychiatry

Demystifying a visual illusion: Why we see color that's not there

A new discovery has unraveled why we sometimes see colors that aren't there. The phenomenon of "color afterimages" is when you see illusory—or false—colors after staring at real colors for a longer time. Through this, ...

Genetics

A step closer to treatment for the most common form of blindness

Scientists at The University of Manchester have taken an important step towards finding a treatment for age-related macular degeneration (AMD), the most common form of adult blindness in the developed world. The researchers ...

Ophthalmology

Drug treatment for cataracts moves a step closer

A revolutionary new treatment for cataracts has shown extremely positive results in laboratory tests, giving hope that the condition, which currently can only be cured with surgery, could soon be treated with drugs.

Ophthalmology

Poor eyesight unfairly mistaken for brain decline

Millions of older people with poor vision are at risk of being misdiagnosed with mild cognitive impairments, according to a new study by the University of South Australia.

Ophthalmology

First-of-its-kind model could inform design of lens implants

Older adults who hold reading material at arm's length to bring it into focus are actually taking on the work that their eyes once did. It's a literal lack of accommodation: the process by which the eye's lens normally morphs ...

Ophthalmology

Allowing blind people to see again with a wireless implant

Being able to see without eyes sounds like a miracle, but in the not-too-distant future, a new brain chip could allow the blind and visually impaired to perceive images again. Ph.D. student Adedayo Omisakin worked on wireless ...

Ophthalmology

Nothing to cry about: The development of tear duct organoids

Advancements in cell culture methods have allowed for the development of organoids—stem cell-derived mini-organs that mimic the tissue organization of our body. Now, researchers in Japan have developed a new organoid system ...

Diseases, Conditions, Syndromes

Study shows sleep deprivation impairs stem cells in the cornea

Sleep deprivation, which means getting too little high-quality sleep, is a serious health problem. More than one-third of people in the U.S. report getting less than the recommended minimum of seven hours sleep per night. ...

Diseases, Conditions, Syndromes

Retina is not spared by SARS-CoV-2

The list of diseases caused by SARS-CoV-2 infection is growing and now includes the retina. This is what is suggested by a prospective study by the Geneva University Hospitals (HUG) and the University of Geneva (UNIGE), in ...