植物中凡能感受光质，光强，光照时间，光照方向和光周期等光现象，并能引发相应细胞反应的一类生物大分子物质都可以称为光受体。有叶绿素、细胞色素、光敏色素和视紫红[质]等。
患这种病的患者眼睛中的光受体不再发挥作用。
In this disease light receptors in the eye cease to function.
他们接受了视网膜细胞附近的基因注射，以帮助修补他们的光受体。
They received a shot of genes near their retinal cells to repair their light receptors.
还有一个或许不足为奇的现象，在幽蓝的深海中，光受体倾向于“看”到蓝光。
Maybe not surprisingly, in the deep ocean, where it's mostly blue, the photo receptors tend to see blue light.
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