Question 1

can poor vision increas with time?

Accepted Answer

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 be addressed and treated.  Talk to an eye specialist about the specific cause of your poor vision.

Question 2

what constitutes having poor vision?

Accepted Answer

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 vision can also be from restriction of the field of vision (peripheral vision).  Poor vision is indicated by the best you can do with the best correction.

Question 3

what is the definition or description of: poor vision?

Accepted Answer

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, dry eyes, lazy eye. Other possible causes include a poor diet (lack of veggies), macular degeneration, glaucoma.  Let us know if you have any other questions.

Question 4

can there be a link between being asian and having poor vision ?

Accepted Answer

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 countries have a higher incidence of myopia to begin with.  Other factors are possible.  These are not pathologic - that is poor vision is not the problem since theirs can be corrected to normal.

Question 5

what did people with poor vision do to correct it 500 years back?

Accepted Answer

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 writings of the 1st century ad, and in chinese texts of the 12th century. Descriptions of eyeglasses made in italy in 1286 have been found, so the use of lenses to correct refractive errors of vision can be found even before 500 years ago.

Question 6

could nystagmus be from poor vision ?

Accepted Answer

Yes: Not uncommon for nystagmus to develop with long standing poor vision.

Question 7

can having poor vision cause severe dizziness?

Accepted Answer

Possible: If the prescription between the two eyes are significantly different, you could feel off-balance. This would most commonly occur following cataract surgery in one eye.

Question 8

do people with complete achromatopsia have poor vision?

Accepted Answer

Yes: Complete achromatopsia is a rare deficiency in total color perception which unlike all other forms of color blindness, comes with a diminished photoreceptor count leading to poor vision.  This is inherited and unfortunately cannot be fixed with any known treatment.

Question 9

poor vision while driving at night. getting worse as i age?

Accepted Answer

Yes: Driving vision often gets worse as we age for several reasons.  One is increasing cataract causing blurred vision and increased glare with headlights.  Another is that pupil size tends to decrease as we age, letting less light in.

Question 10

can you eat carrots to improove your vision if you have poor vision?

Accepted Answer

Depends: Carrots are a good source of vitamins and beta carotene, needed for eye nutrition.  However, this alone is not curative.  Good luck.

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Doctor answers about:

What is poor vision

A member asked:

Can poor vision increas with time?

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What constitutes having poor vision?

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What is the definition or description of: poor vision?

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Can there be a link between being asian and having poor vision ?

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What did people with poor vision do to correct it 500 years back?

A member asked:

Could nystagmus be from poor vision ?

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Can having poor vision cause severe dizziness?

A member asked:

Do people with complete achromatopsia have poor vision?

A member asked:

Poor vision while driving at night. getting worse as i age?

A member asked:

Can you eat carrots to improove your vision if you have poor vision?

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