If you can count, it's thanks to your pupils. The holes in the center of your eyes can detect quantity, new research finds. The mechanisms we use to sense quantity are located in our pupils. This is the result of a study conducted by the School of Psychology of the University of Sydney, in collaboration with the Universities of Pisa and Florence (Italy), just published in Nature Communications.
Phil Zeitler, MD, PhD, has been treating kids with type 2 diabetes for more than 20 years. He and a team of researchers published a paper in the TODAY2 Study in the New England Journal of Medicine on the long-term complications of type 2 diabetes. (TODAY stands for Treatment Options for type 2 Diabetes in Adolescents and Youth). The first phase of the study took place from 2004 -- 2011; phase two from 2011 -- 2020. Both studies involved more than 550 participants from across the country.
What are the Advantages of Having Optimized Free Form Progressive Lenses in My Glasses? Optimized Free Form progressive lenses from Goodrich Optical are becoming far more popular these days. Primarily because of their visual performance. Couple that with their custom position of wear characteristics and you have unmatched optical performance from your eyewear.
My Optometrist recommended anti-fatigue lenses. Are they necessary? Anti-fatigue lenses are particularly helpful for close-up work. If you, like so many today, rely on your distance-only single-vision lenses, to see your screen clearly, anti-fatigue lenses may be the ideal solution for you.
Cataracts are the leading cause of visual impairment in the world today. Aging is the most common cause. A cataract is a progressive, painless clouding of the lens inside the eye. Cataracts block light, making it difficult to see clearly. Over an extended period of time, cataracts can cause blindness. They are often related to growing older, but sometimes they can develop in younger people.
Summary: New research into octopus vision has led to a quick and easy test to help optometrists identify people who are at greater risk of macular degeneration, the leading cause of incurable sight loss.
A new study suggests current vaccines and monoclonal antibody therapies provide less neutralizing activity against the U.K. and South Africa variants of SARS-CoV-2. A new study of the U.K. and South Africa variants of SARS-CoV-2 predicts that current vaccines and certain monoclonal antibodies may be less effective at neutralizing these variants and that the new variants raise the specter that reinfections could be more likely.
New strategy for treating common retinal diseases shows promise A potential treatment based on a natural protein may offer broader benefits than existing drugs Scientists at Scripps Research have uncovered a potential new strategy for treating eye diseases that affect millions of people around the world, often resulting in blindness.
New insight on how people with retinal degenerative disease can maintain their night vision for a relatively long period of time has been published today in the open-access eLife journal. The study suggests that second-order neurons in the retina, which relay visual signals to the retinal ganglion cells that project into the brain, maintain their activity in response to photoreceptor degeneration to resist visual decline -- a process known as homeostatic plasticity.
When the eye isn't getting enough oxygen in the face of common conditions like premature birth or diabetes, it sets in motion a state of frenzied energy production that can ultimately result in blindness, and now scientists have identified new points where they may be able to calm the frenzy and instead enable recovery. In this high-energy environ, both the endothelial cells that will form new blood vessels in the retina -- which could improve oxygen levels -- and nearby microglia -- a type of macrophage that typically keeps watch over the retina -- prefer glycolysis as a means to turn glucose into their fuel.
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