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Doctor insights on: Can Wearing An Old Glasses Prescription For Too Long Make You Vomit

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Dr. Oscar Novick
2,118 doctors shared insights

Vomiting (Definition)

Nausea is the sensation of having an urge to vomit. Vomiting is forcing the contents of the stomach up through the esophagus and ...Read more


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Can a "strong" glasses prescription cause long term dizziness?

Can a "strong" glasses prescription cause long term dizziness?

Shouldn't: If the prescription is proper, then you should adapt quickly and dizziness should not occur. If the dizziness persists then the glass might need upgrading. ...Read more

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I have a plus Sphere on my glasses prescription, I've read that this is to correct long-sightedness, but my problem is that I can't see the distance..

I have a plus Sphere on my glasses prescription, I've read that this is to correct long-sightedness, but my problem is that I can't see the distance..

Correct Rx: + sphere correction is given for farsightedness. + Rx's are also used for people with no distance prescription, for reading. In some cases one person' sprescription for reading may be a farsighted person's prescription for distance. ...Read more

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Why is my contact lens and glasses prescription different?

Why is my contact lens and glasses prescription different?

Numbers game: Fitting cl is an art form as much as science. When the eyeglass refraction is placed in a cl if the number is large enough the strength of the contact may be different to cause good vision. The fit can also change the numbers. These are called "fudge factors'. The numbers are not as important as the ability to see wella nd comfortably. ...Read more

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Could you tell me if my contact lens prescription is -4.00/-4.50 what is my glasses prescription?

Could you tell me if my contact lens prescription is -4.00/-4.50 what is my glasses prescription?

Close: Commonly it is slightly higer like -4.50 and -5.00 but this depends in part on the goal and how long since your last examination. Also at your age there is the issue of bifocals due to near vision needs. Useful to check with your ophthalmologist for the best information on this. ...Read more

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Hi! I have 25 years and I have an 0.50 astigmatism. I have a cylinder glasses prescription. Should I wear them or not?

Hi! I have 25 years and I have an 0.50 astigmatism. I have a cylinder glasses prescription. Should I wear them or not?

When driving: Yes, wear the glasses when driving and any other time that you would like to see better. Also, wearing the glasses may prevent eye strain if you have any. I agree that the prescription is small, but sometimes a little bit better vision prevents a car accident. ...Read more

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I was diagnosed with myopia and in my new glasses prescription there is no minus in front the number, are there any mistake?

I was diagnosed with myopia and in my new glasses prescription there is no minus in front the number, are there any mistake?

Yes : This is probably a sign that was not placed there. Is there a plus sign before the numbers. Check with the eye doctor that gave you the prescription! ...Read more

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Can doctors tell me what does my glasses prescription mean?

Can doctors tell me what does my glasses prescription mean?

Lense power: The prescription for eyeglasses is the formula that the lense maker (optician) needs to provide the correct lense for your eyeglasses. On the form you will see od: right eye; os :left eye; power : strength ; cylinder: astigmatism; add: near vision correction for those over 40 and sometimes prism: for eye alignment. ...Read more

Dr. Tim Conrad
761 doctors shared insights

Glasses (Definition)

Glasses is a term that describes a pair of lenses that are placed in a frame to be worn to correct faulty vision ...Read more