| photopsin |
Photopsins are the photoreceptor pigments found in the cone cells of the retina that are the basis of color vision. Photopsins are very close analogs of the visual purple rhodopsin that is used in dark vision. Photopsins consist of a protein called opsin and a bound chromophore, the retinal. Different opsins differ in a few amino acids and absorb light at different wavelengths as retinal-bound pigments. Opsins are G protein-coupled receptors. ...
출처: en.wikipedia.org/wiki/Photopsin
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| photophobia |
Eye discomfort from bright light. Sun glasses or tinted contact lenses are often needed.
출처: www.geocities.com/coloboma_group/words.html
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| photoreceptor |
an element of the retina, which passes an electrical signal on to a neuron of the optic nerve head, depending upon the amount of light it recieves.
출처: www.geocities.com/CapitolHill/1284/glossdef.html
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| photopheresis |
A procedure in which blood is treated outside the body, with ultraviolet light and drugs that become active when exposed to light, and then returned to the body. It is being studied as a treatment for some blood and bone marrow diseases and graft-versus-host disease (GVHD). Also called extracorporeal photophoresis.
출처: www.stjude.org/glossary
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| photophobia |
A condition in which the eyes are more sensitive to light than normal.
출처: www.stjude.org/glossary
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