Mosaic of retinal pigment epithelial cells, visualized with indocyanine green (ICG) and adaptive optics. Credit: Johnny Tam, Ph.D., National Eye Institute Cells of the retinal pigment epithelium (RPE) form unique patterns that can be used to track changes in this important layer of tissue in the back of the eye, researchers at the National Eye […]Continue Reading ...
Astronauts on long missions at the International Space Station can experience changes to their eyes and vision that can last for years. This study included 20 men who on three separate days at NASA’s Johnson Space Center in Houston completed exercises while on their back and tilted back head-first (to simulate the effect of exercise […]Continue Reading ...
Reduced blood capillaries in the back of the eye may be a new, noninvasive way to diagnose early cognitive impairment, the precursor to Alzheimer’s disease in which individuals become forgetful, reports a newly published Northwestern Medicine study. Scientists detected these vascular changes in the human eye non-invasively, with an infrared camera and without the need […]Continue Reading ...
(HealthDay)—Americans were less likely to use eye care in 2014 versus 2008 but had decreased difficulty affording eyeglasses from 2014 onward, according to a study published online Jan. 24 in JAMA Ophthalmology. Varshini Varadaraj, M.D., from the Johns Hopkins University School of Medicine in Baltimore, and colleagues updated trends in eye care use and affording […]Continue Reading ...
Low levels of amyloid-β and tau proteins, biomarkers of Alzheimer’s disease (AD), in eye fluid were significantly associated with low cognitive scores, according to a new study published in the Journal of Alzheimer’s Disease. Led by researchers at Boston Medical Center, the study is the first to connect these known AD protein biomarkers in the […]Continue Reading ...
Now, 3-year-old Cru Silva is home in Maui, racing trucks and riding tricycles. But in October 2017, what was expected to be a quick eye exam for glassy reflection in Cru’s right eye turned into a diagnosis of a rare form of eye cancer, found primarily in young children due to either random or hereditary genetic […]Continue Reading ...
Mar 6 2019 Scientists have developed a laser-based technique that can produce a full 3D image of all the layers of the retina, allowing doctors to better diagnose and treat eye diseases such as cataracts, diabetic retinopathy, and cancer. It will enable medics to take an image of the eye ten times faster and over […]Continue Reading ...
(HealthDay)—Dry, itchy eyes are a common problem in the winter and low humidity is a major reason, one ophthalmologist says. “On average, the humidity drops in the winter with the colder weather,” said Marissa Locy, an instructor in the department of ophthalmology at the University of Alabama at Birmingham. “In addition, most people turn on […]Continue Reading ...
Clinicians who use smartphones to capture photographs of patients’ eyes risk misdiagnosis if they base their decisions on objective data extracted from non-calibrated cameras, according to new research published this week in the Nature journal Scientific Reports. Clinicians increasingly use smartphones in conjunction with ophthalmic imaging equipment, such as the eyepiece of a slit lamp, […]Continue Reading ...
Researchers at Boston Medical Center have found that low eye-fluid levels of two proteins associated with Alzheimer’s could serve as a potential predictor of the disease. Shutterstock | Kuttelvaserova Stuchelova The study showed that low levels of amyloid-β and tau proteins in the eye was significantly associated with poor cognitive scores. Alzheimer’s disease is characterized […]Continue Reading ...
March 13, 2019 Audience: Consumer, Health Professional, Pharmacy Stokes Healthcare Inc. is voluntarily recalling 1 lot of 81 units of Pilocarpine 0.1% Ophthalmic Solution, to the consumer and veterinarian office levels. The ophthalmic solution has been found to contain a higher level of the preservative benzalkonium chloride than is typical. Risk Statement: Use of this […]Continue Reading ...
What is vision screening? A vision screening, also called an eye test, is a brief exam that looks for potential vision problems and eye disorders. Vision screenings are often done by primary care providers as part of a child’s regular checkup. Sometimes screenings are given to children by school nurses. Vision screening is not used […]Continue Reading ...
Feb 25 2019 Eye contact between two individuals simultaneously activates the same areas of each person’s brain, according to a neuroimaging study of human adult pairs published in eNeuro. The research emphasizes real-time eye contact as the basis for effective social interaction. Norihiro Sadato and colleagues used a technique called hyperscanning functional magnetic resonance (fMRI) […]Continue Reading ...
Michele Rucci, professor of brain and cognitive sciences at the University of Rochester, with equipment he uses to study small movements that a person is not even aware of making. These small eye movements, once thought to be inconsequential, are critical to the visual system in helping us reconstruct a scene. Credit: University of Rochester […]Continue Reading ...
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