What is the definition of farsighted and nearsighted?

Answer 1

Hyperopia, also known as farsightedness, longsightedness or hypermetropia, is a defect of vision caused by an imperfection in the eye (often when the eyeball is too short or when the lens cannot become round enough), causing inability to focus on near objects, and in extreme cases causing a sufferer to be unable to focus on objects at any distance. As an object moves toward the eye, the eye must increase its power to keep the image in focus on the retina. If the power of the cornea and lens is insufficient, as in hyperopia, the image will appear blurred. Myopia also called near- or short-sightedness, is a refractive defect of the eye in which collimated light produces image focus in front of the retina when accommodation is relaxed. Those with myopia see nearby objects clearly but distant objects appear blurred. With myopia, the eyeball is too long, or the cornea is too steep, so images are focused in the vitreous inside the eye rather than on the retina at the back of the eye. The opposite defect of myopia is hyperopia or "farsightedness" or "long-sightedness" - this is where the cornea is too flat or the eye is too short. But someone can be both far-sighted and near-sighted.

Answer 2

The only thing similar is that they own a pair of glasses. The only difference is that a farsighted person can only wear glasses when reading far away while a nearsighted person have to wear his/her glasses all the time

Answer 3

no, it is far sighted or near sighted, when some one says "short sighted" they mean that the person they are saying this to cannot see past their noses and have a little imagination into the future.

Answer 4

Compare and contrast nearsightedness and farsightedness in terms of where the light is focused on the retina:

Nearsightedness - light is focused BEFORE reaching the retina.

Farsightedness - light is focused AFTER reaching the retina.

Answer 5

When you're nearsighted you can see things that are up-close but things further away seem blurry and vice-versa with being farsighted.

Answer 6

Nearsightedness means myopia which causes blurred vision.

Answer 7

Yes. They can be both. They then have perfect vision.

Answer 8

Farsighted focuses behind the eye and is corrected with a corrective lens. Nearsighted focuses in front of your eye and is corrected with a corrective lens.

Answer 9

yes I am I wear glasses full time like a nearsighted person and have reading glasses

Answer 10

why nearsighting is not seeing far away