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The primary function of crystallline lens is to adjust focus of eye on objects at different distances.This adjustment of focus is similar to the focussing of a photographers camera ,and is contolled by the nervous system which activate the muscles around the lens to alter its shape and hence refractive power.
So the answer is to adjustment of pupil.
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∙ 12y ago
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What structure changes its shape to focus light at the back of the eye?
The lens of the eye also called the crystalline lens.
The human eye contains a lens what is it called?
The lens is also known as the aquula (Latin, a little stream, dim. of aqua, water) or crystalline lens. http://en.wikipedia.org/wiki/Lens_%28vision%29
What part of the eye bends the light as it enters?
The crystalline lens is the part of the eye that bends/refracts the light rays as it passes through it.
How many lenses does the human eye have?
A convex or converging lens is found in the human eye.
What type of lens is the lens of your eye?
The lens in the human eye is a convex lens, but it is flexible and when it is acted on by the ciliary muscle around it, the lens can be "flattened" to change the focus, or, when the muscle is relaxed, the lens can assume a more spherical shape. This is at the heart of the ability of the eye to focus on objects nearer or farther away.
What is a crystalline lens?
A crystalline lens is the lens in the human eye.
What is the use of lens in your eye?
The crystalline lens in human eye is indispensable to perform refraction so as to enable us to see objects clearly.
What part of the human body is effected by cataract?
The eye.In the crystalline lens of the eye, specifically.
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 part of the eye is similar to a contact lenses?
The part of the eye that is similar to a contact lens is the crystalline lens.
What is the function of the muscles in the human eye?
The eye lens is kept in place by ciliary muscles. These muscles can contract or relax.If the ciliary muscles contract or relax the focal length of the eye lens becomes large or small.Or in other words the function of the eye lens is to increase or decrease the focal length of the eye lens.
The human eye contains a lens what is it called?
The lens is also known as the aquula (Latin, a little stream, dim. of aqua, water) or crystalline lens. http://en.wikipedia.org/wiki/Lens_%28vision%29
Why is the eye of the squid called a camera eye?
A camera eye is an eye with a crystalline lens that focuses light. It is found in squid, octopi, and vertebrates. This is similar to the lens arrangement of a camera.
What part of the eye bends the light as it enters?
The crystalline lens is the part of the eye that bends/refracts the light rays as it passes through it.
What is the difference between the pinhole camer and the human eye?
The pinhole camera has no lens. The human eye has a variable-focus lens.
What are zonules of zinn?
a ring of fibrous strands connecting the ciliary body with the crystalline lens of the eye.
What is the human?
a part of the eye lens
