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The transition from a photon to a nerve impulse takes place within the rods and cones of the retina.
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How is the Nerve impulse responsible for the pupil becoming smaller?
Pupil is a window for the light to enter our eyes. When we are in a dim light a nerve impulse is generated to the brain to enlarge the pupil. Size of pupil is managed by the iris (coloured part of the eye). If excessive light is there, the pupil shrinks to a smaller size so that the eye's not damaged esp. the retina where the image of objects are formed
The human eye is sensitive to?
light stimuli which is converted into electrical impulse (current)and then is transmitted to the occipital area of the brain . The image seen by the right eye is transmitted to the left hemisphere and viceversa.
What structure changes its shape to focus light at the back of the eye?
The lens of the eye also called the crystalline lens.
How does the iris control how much light enters the eye?
The iris is the coloured membrane in the eye that controls the amount of light entering the eye by expanding and contracting. The pupil is a hole in the centre of the iris. By expanding, more light will enter the pupil and by contracting less light will enter the pupil.http://en.wikipedia.org/wiki/Iris_(anatomy)
What is the nature of eye lens of human eye and that of the image formed at the retina of the eye by it?
our eye has convex lens which has got the power of converging image . so when the light fall on the convex lens the sensory nerve of our eye immediately send electrical impulse to the mind then the mind make the clear and virtual image .or say when convex lens converge the falling light , the convex lens have a focus point which is retina at where all the light rays focused and images is formed .
Which structure of the eye changes the direction of light?
The most imortant part of the eye that changes the direction of light is the LENS, though the cornea does do a little of the inital focusing.
What is The part of the eye that converts light energy to electricity into electricity signals?
First you must understand how light is transferred into an image by the eye. Located in the retina at the back of the eye are millions of photoreceptors. The way I understand them to work is they are constantly blocking any impules from themselves to the next connection, ganglions. When light hits these potoreceptors, the impulse is released, travels through the ganglion, and then is transmitted to the actual optic nerve. So according to this question, the photoreceptors are the trigger of light to impulse, but the answer to your question is the ganglion that transmitts the impulse to the optic nerve.
What is the part of the eye that converts light energy to electricity into electrical signals?
First you must understand how light is transferred into an image by the eye. Located in the retina at the back of the eye are millions of photoreceptors. The way I understand them to work is they are constantly blocking any impules from themselves to the next connection, ganglions. When light hits these potoreceptors, the impulse is released, travels through the ganglion, and then is transmitted to the actual optic nerve. So according to this question, the photoreceptors are the trigger of light to impulse, but the answer to your question is the ganglion that transmitts the impulse to the optic nerve.
Eye vision changes color in different light?
nob
How is the Nerve impulse responsible for the pupil becoming smaller?
Pupil is a window for the light to enter our eyes. When we are in a dim light a nerve impulse is generated to the brain to enlarge the pupil. Size of pupil is managed by the iris (coloured part of the eye). If excessive light is there, the pupil shrinks to a smaller size so that the eye's not damaged esp. the retina where the image of objects are formed
What is the name of the dark part of the eye that changes its size to let in light?
The pupil absorbs light.
What causes changes in momentum?
impulse
The human eye is sensitive to?
light stimuli which is converted into electrical impulse (current)and then is transmitted to the occipital area of the brain . The image seen by the right eye is transmitted to the left hemisphere and viceversa.
As the frequency of light changes the human eye recognize a change in?
Color. (British eyes observe changes in colour.)
What structure changes its shape to focus light at the back of the eye?
The lens of the eye also called the crystalline lens.
What nerve carries the impulse to the brain from each eye?
The optic nerve
Location in the eye where light energy changes to electric energy?
It is in cells in the retina called rods or cones.
