When we fixate an object, its image does not appear at the place where photoreceptors are packed most densely. Instead, its position is shifted slightly nasally and upwards from the cellular peak. This is shown in a recent ...
Evolution
Aug 2, 2021
0
387
Researchers have developed a noninvasive technique that can capture images of rod and cone photoreceptors with unprecedented detail. The advance could lead to new treatments and earlier detection for retinal diseases such ...
Optics & Photonics
Mar 11, 2021
0
42
Researchers have developed a new instrument that has, for the first time, measured tiny light-evoked deformations in individual rods and cones in a living human eye. The new approach could one day improve detection of retinal ...
Optics & Photonics
Aug 19, 2020
0
121
Many people remember been told as kids when they refused to eat their vegetables that "carrots are good for your eyes." Although parents may not have fully understood it at the time, there is some truth to this. Carrots are ...
Biochemistry
May 11, 2020
0
47
Researchers at UW Medicine have decoded what makes good lighting—lighting capable of stimulating the cone photoreceptor inputs to specific neurons in the eye that regulate circadian rhythms.
Molecular & Computational biology
Feb 20, 2020
2
205
A newly discovered retinal structure in the eyes of certain kinds of songbirds might help the animals find and track insect prey more easily.
Plants & Animals
Dec 17, 2019
0
70
A new type of cell has been found in the eye of a deep-sea fish, and scientists say the discovery opens a new world of understanding about vision in a variety of light conditions.
Plants & Animals
Nov 8, 2017
0
498
The ability of finches, sparrows, and many other birds to see a visual world hidden to us is explained in a study published in the journal eLife.
Plants & Animals
Jul 12, 2016
0
556
Bicarbonate (baking soda) makes sparkling water sparkle, causes bread to rise, absorbs odors and can be used for cleaning all sorts of stuff, including your teeth. In the body, it plays essential roles in buffering pH, aiding ...
Biochemistry
Mar 17, 2015
0
1279
(Phys.org)—New research which could help to deter and conserve sharks has confirmed that many of the ocean predators are probably completely colour blind.
Plants & Animals
Sep 19, 2012
1
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