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Ophthalmology news

Genetics

Scientists discover gene responsible for rare, inherited eye disease

Scientists at the National Institutes of Health (NIH) and their colleagues have identified a gene responsible for some inherited retinal diseases (IRDs), which are a group of disorders that damage the eye's light-sensing ...

Ophthalmology

Case series offers insights on corneal epithelial ingrowth after small incision lenticule extraction surgery

Corneal epithelial ingrowth (EI) is a rare but significant complication following small incision lenticule extraction (SMILE) surgery. Although this refractive procedure offers several advantages, such as a smaller incision ...

Immunology

Researchers discover new role of immune cells in eye health

The eye is an immune-privileged tissue because of the need to keep blood vessels away from the central pathway of light and to restrict entry of inflammatory cells that could cause damage. This has prompted questions about ...

Health

Your eyes could reveal the first signs of many diseases

Melissa, a 30-year-old educator, came to the emergency department with a sudden onset of double vision. She had not been in an accident or suffered any trauma and had never experienced this symptom before. However, she noted ...

Diseases, Conditions, Syndromes

Laughter may be as effective as drops for dry eye disease

Dry eye disease (DED) is a chronic condition estimated to affect around 360 million individuals worldwide. Common symptoms include uncomfortable, red, scratchy or irritated eyes.

Genetics

Gene therapy found to be effective in hereditary blindness

Bothnia dystrophy is a form of hereditary blindness, prevalent in the region Västerbotten in Sweden. A new study at Karolinska Institutet published in Nature Communications shows that gene therapy can improve vision in patients ...

Genetics

100-fold improvement in sight seen after gene therapy trial

The vision of people with a rare inherited condition that causes them to lose much of their sight early in childhood was 100 times better after they received gene therapy to address the genetic mutation causing it. Some patients ...

Ophthalmology

Understanding Graves' disease

Graves' disease is a condition of the immune system that leads to an overactive thyroid. It is caused by antibodies attacking the thyroid by mistake. The thyroid and the hormones it produces are the gas pedal for the body. ...

Ophthalmology

Researchers capture cell-level details of curved cornea

Researchers have, for the first time, acquired optical coherence tomography (OCT) images of the curved layers of a person's cornea with cell-level detail and a large viewing area. The new OCT instrument enables improved monitoring ...

Diseases, Conditions, Syndromes

Glaucoma patients worry about managing disease during pandemic

(HealthDay)—Glaucoma patients are concerned about managing their condition during the COVID-19 lockdowns, according to the results of a survey released by the Glaucoma Research Foundation (GRF).

Ophthalmology

Combating drug resistance in age-related macular degeneration

An international team of researchers led by Baylor College of Medicine and Houston Methodist has discovered a strategy that can potentially address a major challenge to the current treatment for choroidal neovascularization ...

Neuroscience

Study finds hidden emotions in the sound of words

In the midst of the COVID-19 crisis, it's common to feel stress levels rise every time we hear the word "virus." But new Cornell-led research reveals that the sound of the word itself was likely to raise your blood pressure—even ...

Obstetrics & gynaecology

Airplane noise appears to negatively impact fetal health

Prolonged exposure to loud noise is more than annoying—it is bad for human health. Beyond the obvious potential damage to hearing, chronic noise exposure has also been linked to adverse cardiovascular effects, such as increased ...

Ophthalmology

Researchers uncover a critical early step of the visual process

The key components of electrical connections between light receptors in the eye and the impact of these connections on the early steps of visual signal processing have been identified for the first time, according to research ...

Diseases, Conditions, Syndromes

Progressive MS linked to faster retinal atrophy than RRMS

(HealthDay)—Progressive multiple sclerosis (PMS) is associated with faster retinal atrophy than relapsing-remitting MS (RRMS), independent of age, according to a study published in the June issue of the Annals of Neurology.

Ophthalmology

New eye drops may prevent a common cause of blindness

Researchers at Columbia University Irving Medical Center have developed eye drops that could prevent vision loss after retinal vein occlusion, a major cause of blindness for millions of adults worldwide.

Neuroscience

Star-shaped brain cells may play a critical role in glaucoma

After a brain injury, cells that normally nourish nerves may actually kill them instead, a new study in rodents finds. This "reactive" phenomenon may be the driving factor behind neurodegenerative diseases like glaucoma, ...

Diseases, Conditions, Syndromes

Missed eye appointments may increase sight loss post-lockdown

The COVID-19 lockdown is threatening the sight of thousands of elderly people across the UK as eye clinics have reported more than a 70% reduction in new referrals and a high rate of missed appointments, finds a new study ...

Ophthalmology

Plastic membrane to treat age-related macular degeneration

A porous polymeric scaffold might be the answer to a sight problem that afflicts millions of older people every year, age-related macular degeneration. Researchers writing in the International Journal of Biomedical Engineering ...