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farsightedness
nearsightedness or myopia
Dim vision is detected by rod-shaped cells in the retina.
The most neuron focused point in the eye is the fovea centralis or more simply, fovea. This is the are most responsible for sharp central vision. About 50% of the optic nerve endings are from the brina to this area in the eye.
A laser is a beam of very strong and focused light. It is possible for this light to damage the retina of your eye permanently, and you will lose all or part of your vision.
Macula Lutea
It's size will be proportional to the amount it is filling your vision. If you can see nothing else, it will fill your retina. If, however, the object is only 1% of what you can see, it will only cover 1% of your retina.
The photoreceptors commonly referred to as "Rods", which are found in the retina, are responsible for night vision. (scotopic vision) "Cones" are responsible for colored vision with brighter light conditions. (photopic vision)
I am pretty sure it is the retina.The retina not only is used for focusing but also The sides of the ''retina'' are responsible for our peripheral vision. The center area, called the macula, is ''used'' for our fine central vision and color vision. Are you referring to optical nerve impulses?
Chlorophyll, for Photosynthesis; and the Retina, for Vision.
The blood vessels in the retina
Retina in the eye contains sensory cells. Retina has got rods and cones. Cones are responsible for colour vision. Rods are responsible for vision in less amount of light.