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the iris!!! iris is the coloured part of your eye,and its a muscle that controls your pupil(the black dot) to let how much light you're eye needs. The iris regulates the amount of light by controlling the size of the pupil.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoThe lense is supported by the ciliary muscles, but the eye is given its shape by the sclera and the choroid.
Wiki User
∙ 10y agoRadius of curvature
suspensory ligaments :)
it is actually ciliary muscles
Wiki User
∙ 11y agoThe Ciliary Muscle
Wiki User
∙ 14y agoIt's called the ciliary body
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How the lens change it shape when foucsing on near objects?
the lens of our eyes is different to the lens of a magnifying glass-it can change its shape from thick to thin
Which lens is a converging lens a double-convex lens or a spherical-convex lens or a plano-concave lens or a convexo-concave lens?
Your are mixing properties. Converging lens is always thicker in the centre and thinner at the edges. The other cathegory is the geometry of shape of the surfaces of the lens. Convex means that the shape is similar to the outer surbace of a sphere, concave means that the shape is similar to the iner surface of a sphere (or: convex = lower side of a spoon as we use it for sampling a soup; concave: upper (inner) shape of the spoon). A double convex lens is always a converging lens. A plano-concave lens is always a diverging (not converging) lens. A convexo-concave lens is the most usual shape of a lense used in spectacles. It can be either converging or diverging, depending on the radii of the surfaces.
What occurs to the lens as people age?
As people age, the lens hardens and changes shape less easily.
Explain the shape of a concave lens and a convex lens?
A convex lens is thicker in the center than at the edges. A convex lens is like a concave mirror.A concave lens is thinner in the center than at the edges.
What shape is concave lens?
A spoon that you have put some food into is a concave shape. It is a cavity. A concave lens is such that it is thicker at the edges than in the middle. Convex is the bottom of the spoon. A convex lens is thicker in the centre than around the edges.
What shape is a lens?
a shape of a lens is curved outwards and concave one are curved in wards
What lens is a converging lens double-convex spherical-convex plano-concave or convexo-concave lens?
A converging lens is also known as a magnifying lens. The shape of the lens is a double convex shape.
How the lens change it shape when foucsing on near objects?
the lens of our eyes is different to the lens of a magnifying glass-it can change its shape from thick to thin
How is magnification controlled in a microscope.?
by the objective lens
What role does the lens play?
The role of a lens is to converge and or diverge light depending on the shape of the lens.
What shape has 2 faces1 edge and no vertex?
A lenticular shape: the shape of a lens.
Does the shape of the lens change when you sqeeze it?
NO
What shape is the lens?
A concave circle
What shape is the lens in a camera?
Rectangle
What are the irregularities in the shape of the lens?
Astigmatism
Which lens is a converging lens a double-convex lens or a spherical-convex lens or a plano-concave lens or a convexo-concave lens?
Your are mixing properties. Converging lens is always thicker in the centre and thinner at the edges. The other cathegory is the geometry of shape of the surfaces of the lens. Convex means that the shape is similar to the outer surbace of a sphere, concave means that the shape is similar to the iner surface of a sphere (or: convex = lower side of a spoon as we use it for sampling a soup; concave: upper (inner) shape of the spoon). A double convex lens is always a converging lens. A plano-concave lens is always a diverging (not converging) lens. A convexo-concave lens is the most usual shape of a lense used in spectacles. It can be either converging or diverging, depending on the radii of the surfaces.
What structure changes its shape to focus light at the back of the eye?
The lens of the eye also called the crystalline lens.
