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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 ...

Ophthalmology

OCT scans in optometry could boost glaucoma detection

Optometry clinics that routinely used optical coherence tomography (OCT) scanners as part of their regular eye tests were 34% more likely to refer patients for a specialist glaucoma assessment, according to new research that ...

Ophthalmology

New drug may be effective for contact lens infection

The combination of polihexanide (PHMB) and propamidine is safe and effective for treating the rare sight-threatening eye infection Acanthamoeba keratitis (AK), according to a study recently published in Ophthalmology.

Diseases, Conditions, Syndromes

Eye scans can provide crucial insights into kidney health, study finds

3D eye scans can reveal vital clues about kidney health that could help to track the progression of disease, research suggests. The advance could revolutionize the monitoring of kidney disease, which often progresses without ...

Ophthalmology

A farsighted approach to tackle nearsightedness

Modern living may be contributing to an epidemic of nearsighted vision and related blindness. By 2050, it is estimated that half the world's population will suffer from low vision due to myopia, a condition where the eye ...

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 ...

Neuroscience

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?

Diseases, Conditions, Syndromes

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 ...

Medical research

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 ...