Known as nature's own sonar system, echolocation occurs when an animal emits a sound that bounces off objects in the environment, returning echoes that provide information about the surrounding space.
Jun 2, 2021
0
2
Glaucoma involves a high risk of losing sight. Researchers at Karolinska Institutet and St. Erik Eye Hospital, among others, have now studied the effects of nicotinamide, the amide of vitamin B₃, on animal and cell models ...
May 17, 2021
1
393
Older people with vision loss are significantly more likely to suffer mild cognitive impairment, which can be a precursor to dementia, according to a new study published in the journal Ageing Clinical and Experimental Research.
Apr 29, 2021
0
3
More than 20 years after the launch of a landmark clinical trial, follow-up examinations and analyses found that not all patients with elevated eye pressure need pressure-lowering treatment to prevent vision loss from glaucoma.
Apr 15, 2021
0
0
A chemical known to protect nerve cells also slows glaucoma, the leading cause of irreversible blindness, results of a new study in rats show.
Apr 14, 2021
0
180
A gene therapy protects eye cells in mice with a rare disorder that causes vision loss, especially when used in combination with other gene therapies, shows a study published today in eLife.
Apr 13, 2021
0
5
Losing some hearing or eyesight is often a part of getting older, but a new study says losing function in both senses may put you at greater risk of dementia and cognitive decline years later. The research is published in ...
Apr 7, 2021
0
14
Early treatment with anti-VEGF injections slowed diabetic retinopathy in a clinical study from the DRCR Retina Network (DRCR.net). However, two years into the four-year study its effect on vision was similar to standard treatment, ...
Mar 31, 2021
0
13
A team led by scientists at the National Eye Institute (NEI) has noninvasively visualized the light-sensing cells in the back of the eye, known as photoreceptors, in greater detail than ever before. Published in Optica, the ...
Mar 11, 2021
0
5
Using high-resolution imaging and 3-D computer modeling, a University of Oregon research team has found that the branching arms of neurons weave through space in a way that balances their need to connect to other neurons ...
Mar 2, 2021
0
452
