True. The blind spot in vertebrate eyes is a region of the retina that contains no photoreceptors.
Photoreceptors are highly specialised neurons discovered in the retina that transform light into electrical signals that enhance physiological processes. Signals from photoreceptors are transmitted to the brain via the optic nerve for processing.
The retina includes two kinds of photoreceptor cells: cones and rods. Cones are in charge of sharp color vision in daylight. In low light, the rods provide vision. The fovea is a comparatively tiny depression approximately 0.3 mm in diameter next to the center of the retina.
The retina of the human eye is an amazing illustration of photoreceptor protein. Many bacteria, including the extremophile bacterium Halohodospira halophila, comprise Photoactive Yellow Protein. The eyes end up receiving light energy and convert it into neural impulses that travel to the brain. The retina of the human eye is an amazing illustration of photoreceptor protein.
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