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The surrounding tissue just expands and contracts with pupil ajustment
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∙ 13y ago
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What part of the eye controls the amount of light passing into the eye?
The pupil constricts or dilates depending on how much light is available. The pupil's function is controlled by our autonomic nervous system.
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)
In the experiment on the photopupillary reflex what happened to the pupil of the nonilluminated eye?
Pupil Dilates
Where does light enter the eye and how does enough light enter so that people can see at night?
Light enters the eye through the small opening in your iris called as pupil. In the night time the pupil dilates to give you more light in your eye.
The opening in the center of the iris?
The small opening of the iris in the eye is the pupil.
What is the black hole in the center of the iris?
The black circle in the middle of the iris in your eye is called a pupil. It dilates to adjust with sunlight.
What part of the eye controls the amount of light passing into the eye?
The pupil constricts or dilates depending on how much light is available. The pupil's function is controlled by our autonomic nervous system.
What controls the amount of light that enters the eyes?
The pupil contracts or expands (dilates) to regulate the entry of light to the retina in the eye.The iris or colored part of the eye is what controls the diameter of the pupil by covering or uncovering it.
Pupil gets larger it dilates pupil gets smaller it?
Contracts
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)
In the experiment on the photopupillary reflex what happened to the pupil of the nonilluminated eye?
Pupil Dilates
Any drug that dilates the pupil of the eye is called?
Prozac can dilate the pupil of the eye.
What does the ciliospinal reflex do to the pupil of the eye?
The pupil dilates when stimulated by the pinching on the nape of the neck.
Where does light enter the eye and how does enough light enter so that people can see at night?
Light enters the eye through the small opening in your iris called as pupil. In the night time the pupil dilates to give you more light in your eye.
The opening in the center of the iris?
The small opening of the iris in the eye is the pupil.
What controls how much light enters the pupil?
The size of pupil is reduced with bright light and vise verse. This is managed by reflex action. Parasympathetic nerve stimulation constricts the pupil. Sympathetic nerve stimulation dilates the pupil.
Which part of the eyes control size of the pupil?
the part of the eye that controls the pupil is the iris
