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Doctor insights on: Can You Tell Me What My Eye Glasses Prescription Means

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Can you tell me what my eye glasses prescription means?

Can you tell me what my eye glasses prescription means?

It's a math formula: The prescription tells the lens maker how to shape the lens (glasses, contacts) that will best correct your vision. The first number is the amount of nearsightedness (-) or farsightedness (+) to be corrected. The next number is the amount of astigmatism to treat and the number after the "x" is the angle of the astigmatism to be treated. ...Read more

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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


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My eye glasses prescription is -3.25... Does that mean it would be same if I order contacts?

My eye glasses prescription is -3.25... Does that mean it would be same if I order contacts?

Yes.: -3.25 would be the power of the contact lens. Assuming you are wearing a soft lens, You also need the other parameters which include the type of contact lens, the base curve and the diameter ...Read more

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What would my contact lense prescription be if my glasses prescription is -1.75 on my right eye and -1.25 on my left eye? Is it possible to tell?

What would my contact lense prescription be if my glasses prescription is -1.75 on my right eye and -1.25 on my left eye? Is it possible to tell?

CL prescription: Yes, it is possible to tell. It can be calculated from the power of your glasses and the distance of the lens of the glasses to your cornea. For a low prescription like yours, it will most likely be the same as your glasses. For higher prescriptions, it would be a different prescription. ...Read more

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How do you calculate an intermediate prescription for eye glasses?

How do you calculate an intermediate prescription for eye glasses?

Easy: Take the distance sphere power and add 1.00 to it and then take the near add power and reduce it by 1.00. This is my typical calculation for computer glasses. For example, your right lens is -2.25 +1.25 x 30 add: +2.00, your computer glasses would be -1.25 +1.25 x 30 add: +1.00. Hope this helps. ...Read more

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Are contact lenses better than eye glasses if you have a high prescription?

Are contact lenses better than eye glasses if you have a high prescription?

More natural: The vision you obtain with contact lenses mimicks your natural vision. The difference between spectacle correction and contact lenses is greater the stronger the prescription is. ...Read more

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Is it possible to get eye glasses lenses with just my contact prescription?

Is it possible to get  eye glasses lenses with just my contact prescription?

No: The focusing plane of the glasses is usually 10 to 20 mm in front of the focusing point of your contact lenses. The prescription will be different. Contact lenses will often correct astigmatism that will need to be added to the glasses prescription. ...Read more

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I wear glasses (prescription) but only whn my eyes still constantly hurts in the sun watching tv etc vwey sensitive. Would you recommend contacts?

I wear glasses (prescription) but only whn my eyes still constantly hurts in the sun watching tv etc vwey sensitive. Would you recommend contacts?

Dry eye treatment: Artificial tears, ointment at night, low dose topical steroids, restasis, punctal plugs, and others are treatments for dry eye. Your symptoms sound consistent with dry eye. ...Read more

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I recently got a stronger prescription for my eye glasses, it's been a week and i still haven't gotten used to them. I feel dizzy and a little bit of ?

May be normal or too: The scrip may be too strong or it may be just difficulty adjusting.Try for another week in short intervals.If you are still having trouble, go back to the doc. ...Read more

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Eye Wear (Definition)

Eye wear is a device that either improves vision or protects the ...Read more