As many of us learned in high school science class, the retina's rods and cones allow us to see. Rods are for night vision, and cones operate in bright light and allow us to distinguish colors. But although scientists have ...
Oct 28, 2015
0
79
Japanese scientists are shedding new light on the importance of light-sensing cells in the retina that process visual information. The researchers isolated the functions of melanopsin cells and demonstrated their crucial ...
Aug 19, 2019
0
67
(Medical Xpress)—Vision – so crucial to human health and well-being – depends on job-sharing by just a few cell types, the rod cells and cone cells, in our retina. Botond Roska and his group have identified a novel ...
Nov 19, 2014
0
3
While bright light helps us see better, our eyes need darkness for better vision. Light breaks down the sensitive machinery of our eyes every day, and during the darkness of night, key pieces are rebuilt. The clock of our ...
Mar 8, 2022
0
127
The eyes are for seeing, but they have other important biological functions, including automatic visual reflexes that go on without awareness. The reflexive system of the human eye also produces a conscious, visual experience, ...
Oct 31, 2017
0
171
An analysis published in Psychotherapy and Psychosomatics documents the value of light therapy in treating seasonal affective disorder.Seasonal affective disorder (SAD) is a subtype of recurrent major depressive or bipolar ...
Apr 10, 2020
0
4
Athletes often have to compete late in the evening, when they are no longer able to perform at their best. As reported in the journal Frontiers in Physiology, however, researchers from the University of Basel have shown that ...
May 19, 2017
0
37
For most of history, humans rose with the sun and slept when it set. Enter Thomas Edison, and with a flick of a switch, night became day, enabling us to work, play and post cat and kid photos on Facebook into the wee hours.
Nov 14, 2012
1
0
Light therapy, consisting of daily exposure to bright, artificial light, is already a recognized line of treatment for people affected by seasonal and nonseasonal depressive disorder.
Feb 4, 2020
1
93
Blue light can both set the mood and set in motion important biological responses. Researchers at the University of Pennsylvania's School of Medicine and School of Arts and Sciences have teased apart the separate biological ...
Oct 20, 2014
0
0
