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Ophthalmology news

Ophthalmology

What is astigmatism? Why does it make my vision blurry? And how did I get it?

Have you ever gone to the optometrist for an eye test and were told your eye was shaped like a football?

Ophthalmology

Impact of sociodemographic factors, treatment compliance, age of diagnosis in amblyopia treatment outcomes

Amblyopia, commonly referred to as "lazy eye," is the leading cause of vision loss in one eye in children, affecting around 2% of the population. Treatment success varies based on sociodemographic factors, with previous studies ...

Cardiology

Eye scan can reveal risk of having a heart attack or stroke

A simple digital photograph of the back of the eye can predict a major cardiovascular event—such as a heart attack or stroke—set to happen in the next decade with 70% accuracy, according to research supported by the British ...

Diseases, Conditions, Syndromes

Scientists target mitochondrial dysfunction in children's eye disease

Autosomal dominant optic atrophy (ADOA), the most common genetic optic neuropathy, is an insidious disease. It often presents slowly during childhood by way of blurry vision, trouble reading or focusing, and sometimes only ...

Immunology

Cancer drug shows promise as treatment for blindness

Singapore researchers have discovered that a new cancer drug, originally developed at A*STAR Institute of Molecular and Cell Biology (A*STAR IMCB), shows potential as a new treatment approach for two leading causes of blindness ...

Medications

NRTI use linked to risk for primary open-angle glaucoma

Use of nucleoside and nucleotide reverse transcriptase inhibitors (NRTIs) is associated with an increased risk for primary open-angle glaucoma (POAG), according to a study published online June 20 in Ophthalmology.

Neuroscience

Babies' poor vision may help organize visual brain pathways

Incoming information from the retina is channeled into two pathways in the brain's visual system: one that's responsible for processing color and fine spatial detail, and another that's involved in spatial localization and ...

Diabetes

Importance of routine eye care for patients with diabetes

Diabetes is a prevalent condition worldwide, affecting approximately 10% of the population. It's a condition that happens because of a problem in the way the body regulates and uses sugar as fuel. It is a systemic disease ...

Neuroscience

Surprising plasticity in adult vision discovered

Much like young children who swiftly acquire languages in their early years, our visual system also has a "critical period" during the first few years of life where rapid development occurs. After this time, changes become ...

Neuroscience

New research shows how the visual system contributes to memory

When we use our working memory, we temporarily retain information in our brain. For instance, you are able to comprehend this sentence because you are briefly storing in working memory each of the words you are reading until ...

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 ...