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You must use convex lenses because in farsighted person the image is formed at the back of retina so it must be move forward to make it exactly in the retina so convex converges so it will be forwarded.

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If a person is farsighted do they need concave or convex lenses?

A person who is farsighted would need convex lenses to correct their vision. Convex lenses help to converge light rays, bringing the focus point forward onto the retina, which helps in correcting farsightedness.


When a person is far sided do the need a concave lens or convex lens?

A person who is farsighted needs a converging lens, which is a convex lens, to help focus light properly onto the retina. This type of lens helps to converge incoming light rays so that distant objects can be seen more clearly.


Which type of lens concave or convex should a person who is far sighted use?

A far-sighted person should use convex lenses. These lenses help to converge the incoming light rays so that they focus correctly on the retina, correcting the vision for far-sightedness.


What lens used to correct nearsightedness?

Convex lenses are thicker in the middle then the edges and concave are thicker at the edges then the middle. When light travels through lenses, refraction occurs. The light bends either outward or inward, it depends on the lens.The lens of your eye is a double convex lens. Its job is to focus the image on the retina of the eye. If one is farsighted, the lens in the eye causes the focus to be behind the retina. These people see far but have some difficultly seeing close-up.To correct this farsightedness, the person would wear glasses or contacts with convex lenses, for It is often used for close examination of small objects.


Does someone who has myopic need concave or convex lenses?

A person with myopia (nearsightedness) needs concave lenses to correct their vision. Concave lenses diverge light before it enters the eye, helping to focus the image correctly on the retina and improve vision for nearsighted individuals.

Related Questions

If a person is farsighted do they need concave or convex lenses?

A person who is farsighted would need convex lenses to correct their vision. Convex lenses help to converge light rays, bringing the focus point forward onto the retina, which helps in correcting farsightedness.


When a person is far sided do the need a concave lens or convex lens?

A person who is farsighted needs a converging lens, which is a convex lens, to help focus light properly onto the retina. This type of lens helps to converge incoming light rays so that distant objects can be seen more clearly.


What kind of lenses would a farsighted person need to correct their vision?

Hyperopic, plus powered, or convex lenses.


Which type of lens concave or convex should a person who is far sighted use?

A far-sighted person should use convex lenses. These lenses help to converge the incoming light rays so that they focus correctly on the retina, correcting the vision for far-sightedness.


Where does a convex lens make an image fall for a farsighted person A beyond the retina of the eye B before the retina of the eye C on the retina of the eye?

A farsighted person (hyperopic) has difficulty seeing nearby objects because the image is formed behind the retina. A convex lens is used to converge light rays so that the image falls on the retina, allowing clear vision. So, for a farsighted person, the convex lens corrects vision by focusing the image on the retina.


A farsighted person needs glasses that?

If im farsighted do i need glasses


Why would concave be used for near sighted?

A farsighted person can see distant objects clearly, but nearby objects appear blurry. The eyeball is too short, so the image that falls on the retina is out of focus. A convex lens corrects this by bending light rays toward each other before they enter the eye. An image then focuses on the retina.


What lens used to correct nearsightedness?

Convex lenses are thicker in the middle then the edges and concave are thicker at the edges then the middle. When light travels through lenses, refraction occurs. The light bends either outward or inward, it depends on the lens.The lens of your eye is a double convex lens. Its job is to focus the image on the retina of the eye. If one is farsighted, the lens in the eye causes the focus to be behind the retina. These people see far but have some difficultly seeing close-up.To correct this farsightedness, the person would wear glasses or contacts with convex lenses, for It is often used for close examination of small objects.


Does someone who has myopic need concave or convex lenses?

A person with myopia (nearsightedness) needs concave lenses to correct their vision. Concave lenses diverge light before it enters the eye, helping to focus the image correctly on the retina and improve vision for nearsighted individuals.


How can you use the word farsighted in a sentence?

he is a farsighted person because he can easily seen that thing which is far from him.


What is the difference between concave and convex lenses in improving eyesight?

Both concave and convex lenses are used in improving sight. Concave lenses are used to treat myopia or nearsightedness (shortsightedness) because they change the light's focal point from "in front of the retina" to the proper location on the retina's surface. Convex lenses are used to correct hyperopia or farsightedness (longsightedness) by moving the focal point outward, because in a farsighted person the image is being focused "behind the retina."


Where in the eye should the an image form for a farsighted person to see clearly?

It focuses it in front of the retina