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73 Results for search "Eye / Vision Problems: Misc.".

Health News Results - 73

Contact lenses may someday do more than correct poor vision, with new, preliminary research in animals suggesting they could also monitor your diabetes and deliver medications.

The new lenses were designed to check blood sugar levels and to deliver drugs to the eye, possibly for the eye disease related to diabetes called diabetic retinopathy. After trying them out on rabbits, scienti...

Contact lens users may be at increased risk for coronavirus infection, so they need to be extra careful, an eye expert says.

"There are no confirmed cases of COVID-19 transmission by handling of contact lenses," said David Chu, assistant professor of ophthalmology at Rutgers New Jersey Medical School, in Newark. "However, since contact lenses can cause eye irritation, wearers tend to ...

Transplants of skin cells that were turned into light-sensing eye cells enabled blind mice to detect light, a new study says.

In previous research with lab animals, scientists have programmed stem cells created from blood or skin cells to become photoreceptors and transplanted them into the back of the eye.

Researchers said this study shows that it's possible to skip the ste...

Even if you're already wearing a face mask to cover your mouth and nose, taking steps to protect your eyes might also help guard against coronavirus infection, eye health experts say.

Here are some tips from the American Academy of Ophthalmology (AAO):

  • Don't wear contact lenses -- switch to glasses. People who wear contact lenses tend to touch their eyes more than the ...

Besides causing COVID-19, the new coronavirus can also lead to "pink eye," and Chinese researchers say the virus may be spread by tears.

Of 38 patients with COVID-19, a dozen also had pink eye (conjunctivitis), a new study found. In two patients, the coronavirus was present in both nasal and eye fluids.

"Some COVID-19 patients have ocular symptoms, and maybe novel coronavir...

As the population ages, millions of older Americans are at risk of losing their sight, a new study warns.

Between 2002 and 2017, the number at high risk for vision loss rose from 65 million to 93 million, according to federal health data.

"The number of adults at high risk for vision loss is high and may continue to increase in the coming years with the increasing populati...

People with Parkinson's disease often have eye problems, which can interfere with their daily activities and increase their risk for falls, researchers say.

"It is especially important for people with Parkinson's to have the best vision possible because it can help compensate for movement problems caused by the disease, and help reduce the risk of falls," according to the author of a ...

Missing just one eye doctor appointment can result in vision loss in older adults with macular degeneration, a new study warns.

Age-related macular degeneration (AMD) is a leading cause of vision loss in the elderly, and these findings show the need for patients to keep all scheduled appointments with an ophthalmologist, the University of Pennsylvania School of Medicine researchers sa...

Viagra can salvage a man's sex life, but in rare cases it may temporarily steal his sight.

Researchers report that some men who took sildenafil -- the generic form of the impotence drug -- suffered from vision problems, including a kind of color blindness that could take weeks to resolve.

The case report details 17 Turkish males who wound up in the hospital after taking sil...

Many older people could improve their vision by getting glasses or a new prescription, a new study suggests.

Swedish researchers assessed 1,200 70-year-olds and found that most were content with their eyesight, but many overestimated how well they actually see.

The study found that 61.5% could significantly improve their vision by getting glasses or changing the power of...

The newly approved drug teprotumumab can offer hope to adults with thyroid eye disease, a rare and potentially blinding condition.

It's the first treatment specifically approved for thyroid eye disease. The drug was approved Tuesday by the U.S. Food and Drug Administration. It will be marketed under the brand name Tepezza.

"This may be a drug that offers a new approach and ...

Diets heavy in red meat and fatty foods could help spur a leading cause of vision loss in older Americans, new research suggests.

The study found that people who ate more typical Western diets were three times more likely to develop an eye condition that robs you of your central vision -- late-stage age-related macular degeneration.

"What you ea...

Having little ones visit for the holidays? Be sure to stow household cleaners safely out of their reach.

These products are a major source of reports to U.S. poison control centers, and exposures often involve the eyes. Though overall eye exposures have declined in the United States, the number of cases involving young children remains high.

Between 2000 and 2016, U.S. poiso...

Eye doctors may someday use "smart" contact lenses to track patients' eye health, early research suggests.

A team of scientists in South Korea has packed incredibly small electronic circuitry, batteries and antennae into a soft contact lens. The goal: to monitor eyes for signs of vision trouble or help deliver medicinal eye treatments.

In what's called a "proof of concept" s...

Though fetuses spend nine months in a dark womb, they may detect light by the second trimester, a new study in mice suggests.

That's when light-sensing cells develop in the retina, and it may set up the day-night rhythms that the infant will follow, the researchers said.

These cells talk with each other and the brain, giving the retina greater light sensitivity than once be...

Popularized in movies, the phrase, "You'll shoot your eye out," is often repeated jokingly whenever someone talks about BB or paintball guns.

But it's no laughing matter. These "non-powder" guns can cause serious, life-altering injuries, and these injuries are now happening far more often.

In fact, a new study found that while the overall rate of injuries due to BB and pain...

Prescribing fewer opioid painkillers to patients after eye surgery did not compromise pain control, a new study shows.

It included 82 patients who had cornea surgery at the University of Michigan's Kellogg Eye Center, which implemented a new policy to give patients fewer opioid pills after surgery. Generally, many people are first exposed to opioids after surgery.

Doctors al...

Rising blood pressure and stiffening arteries - two risk markers for cardiovascular disease - create easily detectable changes in the tiny blood vessels at the back of the eye, according to new research.

It's the largest study to examine the relationship between microvascular changes in the eye and the macrovascular risk factors that lead to heart disease. Published Wednesday in the ...

Daily exposure to blue light from sources such as smartphones, computers and household fixtures could speed your aging, even if it doesn't reach your eyes, research in animals suggests.

Blue wavelengths produced by light-emitting diodes (LEDs) may damage cells in your brain as well as your retinas, according to the Oregon State University researchers.

Their study of fruit fl...

Smoking around kids may harm their vision as their eyes are still developing, a new study suggests.

Secondhand smoke has long been linked to increased risks for cancer and stroke in adults, and asthma, lung infections and sudden infant death syndrome (SIDS) in children, according to the American Cancer Society. Now, added to these is the risk of changes in the eye that may cause visio...

The widely used bladder drug Elmiron may cause eye damage, a new study claims.

A report released last year suggested that the drug -- known as pentosan polysulfate sodium and used by hundreds of thousands of people for decades -- may be toxic to the retina, the light-sensing tissue at the back of the eye.

That led researchers to examine a database of 4.3 million patients at ...

Severe sleep apnea is a risk factor for diabetic eye disease that can lead to vision loss and blindness, researchers report.

Poor control of diabetes can result in damage to tiny blood vessels at the back of the eye, a condition called diabetic retinopathy. It's a leading cause of blindness in the United States.

In some cases, tiny bulges protrude from the blood vessels and ...

More than 2 billion people worldwide suffer vision problems that range from impairment to blindness, according to a new report from the World Health Organization (WHO).

And at least 1 billion of those people have problems such as short- and far-sightedness, glaucoma and cataracts -- all of which could have been prevented or have not been treated.

"Eye conditions and vision i...

Though eye surgery has gotten easier for patients, the percentage who filled an opioid prescription after an eye operation tripled between 2000 and 2014, a new study reports.

"This really is surprising, given that there have been tremendous strides in the past decade to reduce the invasiveness and recovery time for these procedures," said senior study author Dr. Brian VanderBeek. "We ...

Can a steady diet of junk food rob you of your vision?

A new case report suggests it's possible: After years of eating only potato chips, French fries, cold cuts and white bread, a 17-year-old British boy went blind.

Despite his bad eating habits, his body mass index, a standard measure of obesity, remained normal. But the lack of essential vitamins and minerals took its tol...

Tailpipe pollution might pose a real health threat to aging eyes, according to a new study out of Taiwan.

Researchers there found that exposure to high levels of two car exhaust pollutants nearly doubled the odds of age-related macular degeneration (AMD).

It's one of the most common causes of vision loss in older people.

The study is the first of its kind to "demo...

Do all the ads for dry eye relief have you thinking you could have this condition? If you've ever felt like you had a grain of sand in your eye when nowhere close to the beach, you could be experiencing dry eye.

Exactly what is dry eye? Simply put, it's when you aren't making enough tears to keep the front surface of the eye lubricated, or your tears don't have enough water in them. E...

"Night-driving" glasses that promise to dim the glare of headlights may not work as advertised, a new study finds.

The glasses, featuring yellow-tinted lenses, have been marketed for years as a way to ward off blinding headlights and make night driving easier. The problem: There's no scientific evidence they work.

Now a new study, published online Aug. 1 in JAMA Ophthalmo...

New research shows that neurological damage for babies who were exposed to the Zika virus while in the womb continues to unfold years after birth.

Developmental problems were found in one-third of the 216 children studied, some of whom were 3 years old. The problems affected language, thinking and motor skills development. Some also had eye and hearing issues.

Surprisingly,...

The virus that gave you chickenpox as a kid can rise again after decades of inactivity and inflict a painful, even blinding, eye infection in old age.

New research reveals that cases of eye-based "shingles" have tripled since 2004.

Exactly what is driving the increase remains unclear. What is clear, however, is that either of two vaccines could prevent many cases of shingles...

Leonardo da Vinci was an atrocious speller, a sure sign of dyslexia, but it's possible that very disorder fueled his genius, a researcher says.

May 2 marks the 500th anniversary of the death of da Vinci, an inventor and artist regarded by many as the most creative person ever known.

"Dyslexia is probably one of the things that made da Vinci so creative, made him Leonardo," s...

Researchers have long wondered why blind people seem to have a sharpened sense of hearing. Now a Seattle team has pinpointed specific brain adaptations that occur in folks without sight.

"There's this idea that blind people are good at auditory tasks, because they have to make their way in the world without visual information. We wanted to explore how this happens in the brain," said ...

Even though many moisturizers now contain sunscreens, people may not put them on their faces as carefully as they do sunscreen lotions, new research suggests.

"Moisturizer is not as well applied as sunscreen," said lead author Kevin Hamill, a lecturer in eye and vision science at the University of Liverpool in England.

"Therefore, if planning prolonged sun exposure, we advis...

To take calcium or not to take calcium, that is still the question.

In a new study that contradicts earlier research, investigators found that adding calcium to your diet will not raise your risk of a common age-related eye disease.

That disease, age-related macular degeneration (AMD), is a leading cause of vision loss and blindness among Americans aged 65 and older...

Screens: They're at work, at home and even in the palm of your hand. But stare too long at them and your eyes -- and mind -- could pay a price, experts warn.

For example, too much screen time can lead to problems such as eye strain, dry eye, headaches and insomnia, the American Academy of Ophthalmology warns.

"Eyestrain can be frustrating. But it usually isn't serious and go...

Many survivors of the 2014-2016 Ebola outbreak in West Africa have ongoing health problems, a new study finds.

More than 28,000 people were infected and more than 11,000 died in the outbreak.

Researchers compared 966 Ebola survivors from Liberia with 2,350 close contacts and sexual partners. They found that survivors were more likely to have increased urinary frequency, head...

People with migraines may be at higher odds of also having chronic dry eye disease, and that's especially true for seniors, new research shows.

The 10-year study of almost 73,000 people cared for at ophthalmology clinics in North Carolina found that -- after accounting for certain medication use and other factors -- people with migraine had a 20 percent higher risk of having dry eye ...

If life looks gray and cloudy when you smoke, you might not be imagining it.

Heavy smoking may actually damage color and contrast vision, researchers report.

They looked at 71 healthy people who smoked fewer than 15 cigarettes in their lives and 63 people who smoked more than 20 cigarettes a day. The participants were aged 25 to 45 and had normal or corrected-to-normal visio...

Age-related macular degeneration (AMD) is an incurable eye disease that affects millions of older Americans, but there are a number of things you can do to reduce your risk, a vision expert says.

AMD causes blurred central vision due to damage to the macula, a small area at the back of the eye, and it is most common after age 60, according to the U.S. National Eye Institute.

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As many as 7 out of 10 people with type 2 diabetes can achieve long-term disease remission by having weight-loss surgery called gastric bypass, according to a new Danish study.

The surgery isn't necessarily a cure for type 2 diabetes. Some people who go into remission and appear to no longer have the disease can relapse and start having symptoms again. In this study, 27 percent of peop...

When it comes to allergies, allergic rhinitis with its congested, itchy nose gets a lot of attention. But for some, allergic conjunctivitis with itchy, watery eyes is the greater nuisance. You might even have both reactions.

Allergic conjunctivitis is inflammation of the conjunctiva -- the layer of tissue lining the eyelids and covering the whites of the eyes. It's caused by co...

Age-related macular degeneration is the leading cause of vision loss in seniors, and existing treatments are few.

But now, experiments in pigs and rats suggest that stem cell therapy might help curb at least one form of the disease.

The results could soon lead to the first human trials of this therapy for macular degeneration, according to researchers from the U.S. National ...

Thinking of buying your kid a BB, pellet or paintball gun for Christmas? Don't forget eye protection, the American Academy of Ophthalmology urges.

The number of eye injuries related to so-called "nonpowder guns" are increasing at an alarming rate. In fact, one study published earlier this year found a nearly 170 percent increase in these types of eye injuries over the last two decades...

New research on 12 high school football players tracked for a season found that repeat head impacts affected the boys' vision -- even if those hits didn't result in concussion.

The Indiana University researchers stressed that the changes in vision did seem temporary.

But since vision tests are part of certain testing protocols for brain damage, the fact that eyes may be aff...

Dangerous infections, blinding ulcers in the eyes: These are just some of the troubles that can come from wearing your contacts for too long.

Contact lenses are generally considered safe, but wearing them while asleep significantly raises the risk of developing serious complications that can cause permanent visual loss, the U.S. Centers for Disease Control and Prevention warns.

...

When Dr. William White shines a bright light in his patient's eye, he's looking for more than just vision problems.

He's searching for clues indicating the effects of high blood pressure, or hypertension, and what he finds could help prevent heart attacks, strokes and other serious health problems far beyond the eye.

"We can see changes due to vascular conditions caused by di...

People with chronic dry eye may find the condition slows them down when they have to read beyond a couple of paragraphs, a new study suggests.

Researchers found that compared with people without dry eye, those with the condition read at a slower rate when they were tasked with a 7,200-word passage.

The study authors said that traditional reading tests given during eye exams ...

Age-related eye disease is a worldwide problem that costs people not only their vision, but also hundreds of billions of dollars globally. So an international research team decided to look into ways to prevent or treat this type of vision loss.

The investigators discovered that calcifications in the retina -- the thin layer of tissue that lines the back of the eye -- raise the risk of...

Kids with summer birthdays, especially those who spend long hours playing on smartphones and tablets, might be at greater risk for vision problems, a new study suggests.

Nearsightedness, also called myopia, is on the rise worldwide. It's what eye doctors call a refractive error, meaning the eyes can't focus light properly. The result: Close objects look clear; distant ones, fuzzy.

...

Leonardo da Vinci gave the world the Mona Lisa and The Last Supper. Now, a British researcher suggests an untreated eye ailment may have helped the Renaissance genius perfect these and other masterpieces.

After analyzing a series of paintings and sculptures that are thought to depict the likeness of Italian painter da Vinci (1452-1519), investigator Christopher Tyler co...