Question

Dark adaptation in human eye involves the convversion of

Answer 1

A minor mechanism of adaptation is the pupillary light reflex, adjusting the amount of light that reaches the retina. In response to varying ambient light levels, rods and cones of eye function both in isolation and in tandem to adjust the visual system.

During light adaptation retinal sensitivity is lost. Dark adaptation is essentially the reverse of light adaptation. It occurs when going from a well light area to a dark area. Also, all the rod pigments have been bleached out due to the bright light and the rods are initially nonfunctional.

A minor mechanism of adaptation is the pupillary light reflex, adjusting the amount of light that reaches the retina. In response to varying ambient light levels, rods and cones of eye function both in isolation and in tandem to adjust the visual system.


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