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Ophthalmology news

Genetics

Genes aren't destiny for inherited blindness, study shows

A new study challenges what's long been assumed about genetic variants thought to always cause inherited blindness. Investigators from Mass General Brigham used large public biobanks to determine that genes thought to cause ...

Ophthalmology

Insights into dry eyes gained from stem-cell-derived tear glands

An estimated 5–15% of people have problems with dry eyes, with symptoms including eye redness, stinging, or burning sensation, and eye fatigue.

Neuroscience

Blinking less may mean brain is working harder, study shows

Blinking is a human reflex most often performed without thinking, like breathing. Although research on blinking is usually related to vision, a new Concordia study examines how blinking is connected to cognitive function, ...

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 ...

Medications

FDA approves Xdemvy for Demodex blepharitis

The U.S. Food and Drug Administration has approved Xdemvy (lotilaner ophthalmic solution) 0.25 percent for the treatment of Demodex blepharitis, caused by Demodex mites.

Health

'Eggsplosions' and eyes don't mix

Putting a hard-boiled egg in the microwave is making users popular on TikTok, but that fame could come with a hefty price.

Health

Should you open your eyes underwater?

For many people, the hot summer days are often spent swimming at the pool. But even though the water is usually clear with chlorine, it doesn't mean you should be looking underwater.

Ophthalmology

Light quality found to enhance contrast vision

Prof Sei-ichi Tsujimura of the Nagoya City University and Prof Su-Ling Yeh of National Taiwan University and Kagoshima University, have discovered that our visual acuity (contrast sensitivity) can be improved by using a light ...

Alzheimer's disease & dementia

New evidence links sight loss to dementia

A new study suggests that sight loss in people over 71 years old may be linked to dementia. The study was published on July 13 in JAMA Ophthalmology.

Ophthalmology

Understanding the metabolites underlying eye development

Aerobic glycolysis, the process by which cells transform glucose into lactate, is key for eye development in mammals, according to a new Northwestern Medicine study published in Nature Communications.

Neuroscience

Neurotransmitter orexin influences pupil size, research shows

The way the brain regulates pupil size is different from previously thought: fundamentally responsible is the neurotransmitter orexin, as researchers at ETH Zurich have now shown. This discovery could well alter our understanding ...

Neuroscience

Could drops replace eye injections for retina disease?

A new study suggests that eye drops developed by Columbia University researchers could be a more effective–and comfortable–therapy for a common eye disease currently treated with injections into the eye.