It contains rod cells, which are responsible for vision in low light, and cone cells, which are responsible for color vision and detail. In the back of the eye, in the center of the retina, is the macula. In the center of the macula is an area called the fovea centralis. This area...
Here we propose four additional mechanisms that should be considered for a comprehensive investigation of these potential pathways. These are: phase shift; sleep disruption; lifestyle factors (such as poor quality diets, less physical activity and higher BMI); and lower vitamin D. Consideration of ...
The rod cells along the retina specialize in low-light settings. They’re responsible for most of what you see when you walk around a dimly lit room or stroll outdoors after dusk. But since they don’t respond to color, night vision is mostly colorless. Night vision isn’t a fast proces...
The innermost layer is the retina -- the light-sensing portion of the eye. It contains rod cells, which are responsible for vision in low light, and cone cells, which are responsible for color vision and detail. In the back of the eye, in the center of the retina, is the macula. In...
Rod-Cone Dystrophydoi:10.1007/978-3-540-69000-9_101533Retinitis Pigmentosa, Decreased Vision in Neuro-Ophthalmology
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Lipid to Protein Chromophore Transfer in the Photolysis of Visual Pigments VERTEBRATE visual pigments in their native state are the principal components of the membranes of rod and cone outer distal segments 1 . Like all membrane structures they have a predominantly lipoprotein composition 2,3 . The...
The perception of light by melanopsin in the intrinsically photosensitive retinal ganglion cells (ipRGCs) and the related secretion of melatonin into the bloodstream play a very important role in the processes of controlling the circadian rhythm [1,2,3]. With the increase in the amount of light ...
Phototransduction occurs in the photosensitive cells of the human retina: photoreceptor cells (rods & cones) and the melanopsin-containing ganglion cells. As the photosensitive ganglion cells appear to employ phototransductiondoi:10.1007/978-3-642-35951-4_118-2Joseph J. Carroll...
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