The importance of being protected: How to choose your sunglasses
Experts from the University of Alicante (UA) have found that prolonged exposure to the sun increases the chance of developing alterations in the lens by 4%. Choosing the right pair of sunglasses can reduce such complications. Despite the fact that the vast majority of the harmful radiation from the sun is absorbed by the atmosphere,… Read More
New test needed to assess the quality, safety of sunglasses
Revision of standards is needed to test sunglasses quality and establish safe limits for the lenses’ UV filters, according to research published in the open access journal Biomedical Engineering OnLine. Exposure to the sun may deteriorate your sunglasses over time and the lenses may become lighter and so alter the category under which they are… Read More
Artificial retinas: Promising leads towards clearer vision
A major therapeutic challenge, the retinal prostheses that have been under development during the past ten years can enable some blind subjects to perceive light signals, but the image thus restored is still far from being clear. By comparing in rodents the activity of the visual cortex generated artificially by implants against that produced by… Read More
Surprise discovery in the blink of an eye
We probably do it every day, but scientists have only just discovered a distinct new way in which we move our eyes. The team from the University of Tübingen in Germany assessed the eye movements of 11 subjects using tiny wires attached to the cornea and with infrared video tracking. In results published in eLife,… Read More
Cataracts: 6 Questions To Ask Your Eye Doctor
If your world is getting a little cloudy, it may not be the weather. You could be developing cataracts, which means the lens in one of your eyes – or both eyes – has becomes partly or completely cloudy. The lens plays a vital role in helping us see clearly. When you look at something,… Read More
