Structure of Retina -
- The inner layer of the eyeball is called the retina.
- From outside to inside, it is made up of pigmented epithelium, photoreceptor cells, bipolar cells and ganglion cells.
- The photosensitive pigment of rods is called rhodopsin (a derivative of vitamin D)
- Rods enable night vision.
- Cones are of three types depending on the photopigments:
- The erythropsin in the red-sensitive cones.
- The chloropsin in the green-sensitive cones.
- The cyanopsin in the blue-sensitive cones.
Hence, Rods and cones are the sensory neurons in the human eye and is the correct answer.
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