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Why does squinting make vision better?

Why does squinting make vision better?
The reason i ask this is because my left eye's vision problem was diagnosed uncorrectable because of a  non-refractive problem. Basically, I was told that glasses would not correct my vision problem. I believe this to be a misdiagnosis mainly because when I squint my left eye my vision gets better.
Does squinting change the refraction of light or the focal point?
Do you believe that I could of been misdiagnosed?
Thanks
-Abe
5 Responses
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233488 tn?1310693103
MEDICAL PROFESSIONAL
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Helpful - 0
Avatar universal
Thank you Dr Hagan,

Your advice has been very helpful
I will go and consult an Eye MD

thanks again
-Abe
Helpful - 0
233488 tn?1310693103
MEDICAL PROFESSIONAL
1. I would not expect the optom to do another exam at no cost to you. You might get by with just asking to pay the cost of a glasses check (refraction).

2. An optometrist is not a MD, not a physician, and cannot give the kind of exam you get from an Eye MD.

I can't comment on your individual problem

JCH MD
Helpful - 0
Avatar universal
Thank you for your timely response Dr. Hagan

I just had this eye exam a couple weeks ago.
should i go back to the optometrist and ask for a re-exam
and if so should it be provided to me at no additional cost?
....more info on the exam
it was very quick and rushed

Also, if my poor eye sight in my left eye were to be cause by some type of "exception" should my optometrist have looked for those types of causes/symtoms or do i have to go to another type of specialist?
Thanks again,
-Abe
Helpful - 0
233488 tn?1310693103
MEDICAL PROFESSIONAL
squinting creates a "pinhole" effect. If pinhole effect improves vision generally glasses will do the same. there are some exceptions such as some types of cataracts.

See an Eye MD for a refraction/glasses test and a second opinion.

Find one at www.aao.org

JCH MD
Helpful - 0
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