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Ophthalmology news

Diseases, Conditions, Syndromes

Laser eye treatment shows potential for halting dry macular degeneration progression in animal models

Around a third of people over the age of 80 suffer from age-related macular degeneration (AMD), with an estimated 20 million Americans aged 40 and older currently living with AMD. Most cases are the dry form of the disease, ...

Ophthalmology

Better vision test enables precise detection of eye disorders in toddlers

The development of a new tool for testing the eyesight of children under three could mean more children receive treatment for vision difficulties earlier, leading to positive effects on learning and development.

Neuroscience

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 ...

Ophthalmology

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, ...

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

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 ...

Genetics

A step closer to treatment for the most common form of blindness

Scientists at The University of Manchester have taken an important step towards finding a treatment for age-related macular degeneration (AMD), the most common form of adult blindness in the developed world. The researchers ...

Ophthalmology

Drug treatment for cataracts moves a step closer

A revolutionary new treatment for cataracts has shown extremely positive results in laboratory tests, giving hope that the condition, which currently can only be cured with surgery, could soon be treated with drugs.

Ophthalmology

Poor eyesight unfairly mistaken for brain decline

Millions of older people with poor vision are at risk of being misdiagnosed with mild cognitive impairments, according to a new study by the University of South Australia.

Ophthalmology

First-of-its-kind model could inform design of lens implants

Older adults who hold reading material at arm's length to bring it into focus are actually taking on the work that their eyes once did. It's a literal lack of accommodation: the process by which the eye's lens normally morphs ...

Ophthalmology

Allowing blind people to see again with a wireless implant

Being able to see without eyes sounds like a miracle, but in the not-too-distant future, a new brain chip could allow the blind and visually impaired to perceive images again. Ph.D. student Adedayo Omisakin worked on wireless ...

Ophthalmology

Nothing to cry about: The development of tear duct organoids

Advancements in cell culture methods have allowed for the development of organoids—stem cell-derived mini-organs that mimic the tissue organization of our body. Now, researchers in Japan have developed a new organoid system ...

Diseases, Conditions, Syndromes

Study shows sleep deprivation impairs stem cells in the cornea

Sleep deprivation, which means getting too little high-quality sleep, is a serious health problem. More than one-third of people in the U.S. report getting less than the recommended minimum of seven hours sleep per night. ...

Diseases, Conditions, Syndromes

Retina is not spared by SARS-CoV-2

The list of diseases caused by SARS-CoV-2 infection is growing and now includes the retina. This is what is suggested by a prospective study by the Geneva University Hospitals (HUG) and the University of Geneva (UNIGE), in ...