does someone with 20/50 vision need glasses?
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Usually, 20/20 vision means perfect vision while 20/30 or 20/40 are mild myopia maybe. ... Actually, your daughter with 20/50 vision is considered to have visual impairment because she can see an object clearly at 20 feet away that a person with normal vision can see clearly at 50 feet away. So she need to wear eyeglasses.
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"Normal" vision is 20/20. ... 20/20 is not the best possible eyesight however, for example, 20/15 vision is better than 20/20. A person with 20/15 vision can see objects at 20 feet that a person with 20/20 vision can only see at 15 feet.
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People with astigmatism primarily choose eyeglasses to improve their vision. ... Generally, a single-vision lens is prescribed to provide clear vision at all distances. However, patients over age 40 who have presbyopia may need a bifocal or progressive addition lens.
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The American Optometric Association states that a person with 20/20 vision can clearly identify a row of 9mm letters from 20 feet. So if you have 20/40 vision, this means that you can see only as good as a normal person can see at 40 feet away from an eye chart.
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Squinting, frequent headaches, rubbing your eyes, and fatigue are all signs you might need glasses. Not wearing glasses also poses an interruption to daily life as you might bump into or trip over things, be unable to see far away or up close (more on that later), or have trouble reading or seeing at night.
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The answer is no. A person with, say, 20‐20 vision, cannot stretch the range of his sight; the built‐in limitation is absolute. We have such limits to hearing, smell, touch and taste as well. However, certain sense organs can be trained to bring out latent qualities or to reach their “true” limits.
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Visual acuity refers to the sharpness of vision at 20 feet from an object. A person with 20/50 vision can clearly see something 20 feet away that a person with normal vision can see clearly from a distance of 50 feet.
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20/50 vision or worse is often the visual reduction that is considered bad enough by most patients to need cataract surgery, if that is the cause of the visual loss.
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Wearing eyeglasses will weaken the eyes: Eyeglasses worn to correct nearsightedness, farsightedness, astigmatism, or presbyopia will not weaken the eyes any more than they will permanently solve these types of vision problems.
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This is the estimated refractive error (myopia or absolute hyperopia). The average prescription of people with 20/50 vision is -1.25, but it can as well as be -0.50 or -2.00. Only an eye doctor can find out what prescription you need.
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As you see, a person with a visual acuity of 20/200 has a prescription of -2.5. You are legally blind without correction, but you have normal vision with correction.
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A person with 20/50 vision can clearly see something 20 feet away that a person with normal vision can see clearly from a distance of 50 feet. Bad distance vision was considered "improved" if corrections boosted visual acuity to 20/40 or better.
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For you to be considered legally blind, you must have a visual acuity of 20/200 or worse in your better seeing eye with corrective lenses on it. So, your inability in seeing properly without glasses while you get up in the morning won't have to do much with qualifying you as a legally blind person.
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A person with 20/40 vision sees things at 20 feet that most people who don't need vision correction can see at 40 feet. This means that they are nearsighted, but only slightly. A person with 20/40 vision may or may not need eyeglasses or contacts, and can discuss his or her options with a doctor.
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By age 3, a child's vision should be at least 20/40 and by age 5, at 20/30. Even if your child's prescription is higher, the ophthalmologist may hold off on glasses to encourage his natural focusing mechanism to correct the error.
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The study defines "visual impairment" as visual acuity of 20/50 or worse in the better-seeing eye. Visual acuity refers to the sharpness of vision at 20 feet from an object. A person with 20/50 vision can clearly see something 20 feet away that a person with normal vision can see clearly from a distance of 50 feet.
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No problem, you can take your glasses to your local optician and ask them to make any adjustments to give you a better fit, this should be a free of charge service. If you are in or near Westgate on Sea, we can do this for you in our store. For a limited time, get 10% off your first order.