What condition is associated with farsightedness, and how is it corrected?

What condition is associated with farsightedness, and how is it corrected?

• A. Myopia, with a diverging lens
• B. Hyperopia, with a converging lens
• C. Presbyopia, with reading glasses
• D. Astigmatism, with special lenses

Answer: (B)

Farsightedness, also known as hyperopia, occurs when light entering the eye is focused behind the retina instead of directly on it. This typically results from an eyeball that is too short or a cornea that has insufficient curvature. To correct hyperopia, a converging lens (or convex lens) is used. This type of lens helps to bend the light rays so they converge before reaching the eye, allowing the image to be focused directly on the retina and improving clarity for distant as well as near vision. The other options pertain to different conditions affecting vision. Myopia, or nearsightedness, requires a diverging lens for correction, which is not applicable in this case. Presbyopia, often associated with aging, typically requires reading glasses, which may also be a converging lens but is specifically used for near tasks rather than general farsightedness correction. Astigmatism involves an irregular curvature of the cornea or lens, requiring special lenses designed to counteract that distortion. Each of these terms and corrections addresses different visual impairments, making it important to use the correct terminology and corrective measures.

Farsightedness, also known as hyperopia, occurs when light entering the eye is focused behind the retina instead of directly on it. This typically results from an eyeball that is too short or a cornea that has insufficient curvature. To correct hyperopia, a converging lens (or convex lens) is used. This type of lens helps to bend the light rays so they converge before reaching the eye, allowing the image to be focused directly on the retina and improving clarity for distant as well as near vision.

The other options pertain to different conditions affecting vision. Myopia, or nearsightedness, requires a diverging lens for correction, which is not applicable in this case. Presbyopia, often associated with aging, typically requires reading glasses, which may also be a converging lens but is specifically used for near tasks rather than general farsightedness correction. Astigmatism involves an irregular curvature of the cornea or lens, requiring special lenses designed to counteract that distortion. Each of these terms and corrections addresses different visual impairments, making it important to use the correct terminology and corrective measures.