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what is poor vision

A 13-year-old male asked:
Dr. Keshav Narain
29 years experience Retinal Surgery
Yes. Sometimes. : Poor vision, regardless of the cause, may fluctuate and deteriorate more depending on the cause. The good news is that many causes of poor vision can ... Read More
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A 35-year-old member asked:
Dr. Richard Bensinger
52 years experience Ophthalmology
Lowered acuity: Poor vision is vision less than you would like. There are legal standards for instance in most states 20/200 is the limit for legal blindness. Poor ... Read More
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Dr. Keshav Narain
29 years experience Retinal Surgery
Less than 20/20: Using what is called a snellen acuity, both ophthalmologists and optometrists define normal vision as 20/20 in the us. This means that you can see th ... Read More
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Dr. Harvey Fishman
21 years experience Ophthalmology
Decreased contrast: Decrease in contrast sensitivity (CS) with conditions like macular degeneration, diabetic retinopathy or even previous optic neuritis can also play a ... Read More
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A 41-year-old member asked:
Dr. Ari Weitzner
33 years experience Ophthalmology
Nope...: ...After age of 12, vision is permanent. If you mean w/o glasses, sure- lasik or cataract surgery.
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Dr. Alan Jackson
30 years experience Addiction Medicine
Depends : This depends on the cause of poor vision. Glasses for myopia/ hyperopia is one cause that can be corrected. Only a thorough eye exam can determine th ... Read More
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A 33-year-old male asked:
Dr. Sandra Lora Cremers
25 years experience Ophthalmology
Poor vision: Poor vision means vision is worse than 20/40. Best vision is 20/20. Most common cause is a need for new glasses, uncorrected astigmatism, cataract, dr ... Read More
A 49-year-old member asked:
Dr. Richard Bensinger
52 years experience Ophthalmology
Sort of: In western counties, asians, especially chinese and japanese, seems to have a higher incidence of myopia. This may be because immigrants from these c ... Read More
A 48-year-old member asked:
Dr. Simon Kimm
16 years experience Urology
Early lenses: Magnifying lenses to aid in reading have been described in egyptian hieroglyphs dating to the 5th century bc. Other references can be found in roman w ... Read More
A 23-year-old female asked:
Dr. William Constad
41 years experience Ophthalmology
Yes: Not uncommon for nystagmus to develop with long standing poor vision.
A 48-year-old member asked:
Dr. Glenn Pomerance
47 years experience Ophthalmology
Pigment disorder: As you would expect, albinism is caused by an abnormality in the pigmented tissues of the body. The eye has a pigmented layer, also abnormal in albini ... Read More
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A 40-year-old member asked:
Dr. Richard Bensinger
52 years experience Ophthalmology
No: Carrots do contain carotenoids, the precursor to vitamin a but deficiency in the western diet is extraordinarily rare. If you have poor vision it sho ... Read More
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A 46-year-old member asked:
Dr. Brijesh Chandwani
11 years experience Pain Management
Possibly: Strain on eyes can definitely cause headaches; if you have poor vision but you are addressing it with glasses then your headaches are probably not rel ... Read More
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