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Ophthalmology news

Diabetes

Early trigger of diabetic eye disease identified

A team led by UCL scientists has identified a key protein that triggers diabetic retinopathy—a condition caused by high blood sugar damaging the retina's blood vessels and a leading cause of sight loss among working-age ...

Ophthalmology

Fancy dress contact lenses can cause infections, ulcers, even blindness—how to keep your eyes safe this Halloween

With Halloween just around the corner, thousands will be shopping for fancy dress contact lenses to go with their costume. The appeal is clear, as their endless colors and shapes allow you to radically change how you look—who ...

Ophthalmology

Risk of eye disease increases during menopause transition

Many symptoms, such as hot flashes and vaginal dryness, are commonly associated with the menopause transition. One of the lesser-known symptoms that worsens in midlife is dry eyes. A new study suggests that postmenopausal ...

Ophthalmology

Patient wealth is associated with quality of glaucoma care

Patients with newly diagnosed glaucoma who have less wealth or reside in rural communities are less likely to receive standard glaucoma care compared to wealthier patients, according to a recent multi-institutional study ...

Ophthalmology

New imaging system maps retinal oxygen in unprecedented detail

The retina consumes oxygen at one of the highest rates of any tissue in the body, and disruptions in its oxygen supply are linked to blinding diseases such as glaucoma, age-related macular degeneration, and diabetic retinopathy. ...

Ophthalmology

Bringing eye images into focus with AI

Researchers at the University of Waterloo have developed a better way to enhance the clarity and detail of eye images used to diagnose disease by teaching artificial intelligence (AI) software the science behind the imaging ...

Psychology & Psychiatry

Seeing the future: How expectations guide eye movements

Eye movements are the human body's fastest and most common actions: We actively shift our gaze about two to three times per second to gain information about our environment. Where we look determines what we learn about the ...

Health

Study shows association between climate change and eye maladies

Clinical visits by patients suffering ocular surface eye conditions more than doubled during times when ambient particulate matter from air pollution was in the atmosphere, signaling a possible association between climate ...

Ophthalmology

Scientists engineer 'glowing' gel to improve eye surgery

Cataracts—a condition that causes clouding of the eye's lens and deteriorating vision—will affect nearly everyone who lives long enough. Now Johns Hopkins scientists have pioneered a new color-changing hydrogel that could ...

Ophthalmology

New research finds that subtle eye movements optimize vision

Our ability to see starts with the light-sensitive photoreceptor cells in our eyes. A specific region of the retina, termed fovea, is responsible for sharp vision. Here, the color-sensitive cone photoreceptors allow us to ...

Neuroscience

Face-likeness affects unconscious processing, study finds

Our brains possess a cognitive mechanism that allows us to quickly recognize faces even with limited visual information. Focusing on this phenomenon, Toyohashi University of Technology investigated how the brain processes ...