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Ophthalmology news

New, more effective delivery method for eye cancer treatment is derived from pig semen

Getting past the barrier surrounding the eye is a difficult but necessary part of treating retinoblastoma (RB)—a form of eye cancer that is more common in children. Once the barrier is penetrated, RB responds well to treatment. ...

Light impacts how the brain perceives and remembers threats, study suggests

Northwestern Medicine scientists have discovered that light plays a key role in how animals perceive environmental threats, findings that have the potential to improve the understanding of risk avoidance behaviors and related ...

Why arthritis in children can threaten eyesight

Arthritis is often associated with older age, but it also affects children. One of the most common forms is juvenile idiopathic arthritis (JIA), an inflammatory condition that causes persistent joint swelling and pain.

Dexamethasone drops found to save eyesight in infants

Retinopathy of prematurity (ROP) is one of the most common causes of severe visual impairment and blindness in children worldwide. Because the blood vessels in the retina are not fully developed, changes in oxygen levels ...

Chemists shed light on how age-related cataracts may begin

Cataracts are a leading cause of blindness worldwide and are considered a priority disease by the World Health Organization. In a new study, researchers at the University of California, Irvine uncovered how a subtle chemical ...

Combating intractable blindness with 3D bio-printed retina

Retinal vein occlusion (RVO) is one of the leading causes of vision loss worldwide, often triggered by chronic diseases such as hypertension and diabetes. Similar to a blocked water pipe causing backflow and pressure buildup, ...

Who is more likely to lose vision due to high brain pressure?

If untreated, a disorder of high brain pressure called idiopathic intracranial hypertension can lead to vision loss. But this disorder can develop without noticeable symptoms, making it hard to catch. A new study looks at ...

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 adults.

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 ...

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 ...

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. ...