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Doctor insights on: Can I Use My Prescription Glasses To Find My Refractive Error Strength

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Can I use my prescription glasses to find my refractive error strength?

Can I use my prescription glasses to find my refractive error strength?

Glasses power: Yes, the eye care professionals have instruments as do the optical department optician that can measure the strength of the eyes when they were prescribed, providing they were for that patient and made correctly. However the glasses strength are not the same as the contact lens prescription. Your eye care professional can sort this out for you. ...Read more

Dr. Ben Glasgow
375 doctors shared insights

Immunoglobulin A (Definition)

Immunoglobulin a is an antibody that plays a critical in mucosal immunity found in mucosal secretions, tears, saliva, breast milk, the gastrointestinal tract, and the lungs. It helps prevent against sinus infections, ear infections, and pneumonia. More IgA is prodced per day than ...Read more


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Will getting glasses to correct my refractive error stop my headaches from popping up every other week?

Will getting glasses to correct my refractive error stop my headaches from popping up every other week?

Many headaches: There are many causes for headaches; eyeglass needs are only one of them and not a very common cause. Getting glasses is useful simply to see better and for you it would be terrific if the headaches were taken care of as well. You may have to look for other causes if the headaches are not altered b y the eyeglasses. ...Read more

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Is it true that your eyeglass prescription number is your refractive error number as well?

Refractive Error: Yes, this is typically your refractive error. When an eye doctor is comparing the numbers from other exams / doctors, he/she usually refers to the glasses prescription numbers for comparison. In higher levels of refractive error, contact lens prescriptions have be adjusted from the glasses power so the main number to know if your glasses refractive error. ...Read more

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If someone has basically no refractive error, what is the normal reading glass prescription as he ages? Also do things like the dashboard get blurry?

If someone has basically no refractive error, what is the normal reading glass prescription as he ages? Also do things like the dashboard get blurry?

Presbyopia: Is the term for the loss in focusing power of the lens of the eye with aging. Yes, the dashboard may eventually get blurry. Smart phones cause more eye strain than we used to have.There can be small variations. Age 42-44: +1.25 45-48: +1.50 49-52: +1.75 53-56: +2.00 57-59: +2.25 60+: +2.50. ...Read more

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How to tell prescription glasses is too strong (for negative strength)?

How to tell prescription glasses is too strong (for negative strength)?

Vision difficulty: If too strong in a myope, the image you see will be diminished in size and have some degree of lack of clarity. ...Read more

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How to tell prescription glasses is too weak (for negative strength)?

How to tell prescription glasses is too weak (for negative strength)?

Poor distance vision: If you glasses are under corrected, your distance vision will not be clear. Your near vision would likely still be adequate. ...Read more

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What are the different side effects between a prescription glasses that are too strong vs took weak? (For negative strength (myopia glasses)

What are the different side effects between a prescription glasses that are too strong vs took weak? (For negative strength (myopia glasses)

Vision difficulty: Glasses that are not spot on will lower the clarity of vision. If too weak in a myope, you will simply have visual blur at distance. If too strong you will experience some degree of eyestrain and a diminution in the size of the viewed image. Neither of these is harmful; they will just diminish your visual comfort and clarity. They will not damage your eyes. ...Read more

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Can prescription glasses worn all the time with wrong strength have -ve impact i.e make eye sight worse for a 4 yrs old? He is near sighted.

Can prescription glasses worn all the time with wrong strength have -ve impact i.e make eye sight worse for a 4 yrs old? He is near sighted.

Glasses eyesight: Can prescription glasses worn all the time with wrong strength have -ve impact i.e make eye sight worse for a 4 yrs old? He is near sighted. ANS: no but will difficult to use. ...Read more

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What can I use for sunglasses when I wear prescription glasses?

What can I use for sunglasses when I wear prescription glasses?

PIggy back glasses: They make large sunglasses that fit over your lenses or you can use clip-ons or get prescription sunglasses. ...Read more

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What should I use for sunglasses while i wear prescription glasses?

What should I use for sunglasses while i wear prescription glasses?

"Over" glasses. : Many pharmacies carry sunglasses designed to fit over your prescription glasses. You can try google to find a website. An example is: http://www.Sunglassrage.Com/sunglasses-over-glasses/?Gclid=ckw8wu-ehbccfqfx4aodotcajq. ...Read more

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I am 43 years old. I have been short sighted since i was a teenager. It is l-2.50 and r-3.25. I have used the same prescription glasses for years. Recently, i need to removemy glasses to read/use the pc. I have to get a new script.Why is my sight still ba

I am 43 years old. I have been short sighted since i was a teenager. It is l-2.50 and r-3.25. I have used the same prescription glasses for years. Recently, i need to removemy glasses to read/use the pc. I have to get a new script.Why is my sight still ba

Presbyopia: You are experiencing what we all do beginning age 40-48 the human eye begins to loose the ability to focus. The cause is decrease in the function of the ciliary muscle this muscle attaches to the lens by the zonules and causes change in the thickness of the lens to allow focusing. If your glasses have been over an exam will reveal if you need reading (progressive addition or bifocal) glasses. ...Read more

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What is best tint for prescription glasses for mostly indoor use?

What is best tint for prescription glasses for mostly indoor use?

Clear: Inddor situations have less light and any tint will diminish that light input. You might, depending upon your lifestyle and image projection, want a cosmetic tint with little change in the light input but of course that tint will remain for all circumstances in which you wear that eyeglass. But there is some advantage to using tint to be "cool". ...Read more

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I have myopia and astigmatism and now iam wearing prescription glasses can i use this glasses when reading books or in computer. Thank u?

I have myopia and astigmatism and now iam wearing prescription glasses can i use this glasses when reading books or in computer. Thank u?

Absolutely : Correction of your refractive error improves your visual clarity and generally lessens visual strain and therefore improves comfort. Enjoy. ...Read more

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If my prescription glasses don't feel right who do I see about it?

Whoever made them: I would first see whoever made the glasses to be sure they are made correctlly according to the prescription, centered properly on your eyes, positioned properly, have correct base curves, etc. If that doesn't give you the answer, i would go back to the doctor who prescribed them to check to see if the prescription is correct. ...Read more

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If i wear prescription glasses and contacts, can I also get colored lenses?

If i wear prescription glasses and contacts, can I also get colored lenses?

Probably yes: Colored contact lenses are able to be fit on most patients. See your doctor. ...Read more

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Do I need new prescription glasses for my worsening vision?

Do I need new prescription glasses for my worsening vision?

Possibly: If the reason for your worsening vision is a change in the refraction which is the optical correction available in new lenses, then that is all you need. If the change is due to pathology in the eye, new glasses might not help. Your ophthalmologist can help you find the difference between these two and give you assistance. ...Read more

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Can you wear prescription contacts with prescription glasses at the same time...?

Can you wear prescription contacts with prescription glasses at the same time...?

Sometimes: The powers of the eyeglass and the contact are additive. They might add up to a proper prescription for you if designed that way and some visual problems need this as a purposeful set-up. You will not like it if you put full corrective eyeglasses on top of fully corrected contact lenses. ...Read more

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What happens if I wear my weak prescription glasses all the time, will my vision deteriorate?

What happens if I wear my weak prescription glasses all the time, will my vision deteriorate?

Vision deterioration: Excessive near work (ie iphone, ipad, video games, tv) can cause eye to grow even in young adults & increase prescription for myopia. If hyperopia (far-sightedness) is increasing, see eyeMD to discuss. EyeMDs recommend taking breaks, looking outside & avoid excessive near work if possible to prevent increasing myopia and its risks. ...Read more

Dr. Robert Chang
79 doctors shared insights

Refractive Error (Definition)

refractive error means that you need glasses to see well. This can mean that you are near sighted, farsighted or have astigmatism. It also may be a sign that you need readers as you past the age ...Read more


Dr. David Kira
108 doctors shared insights

Refractive Surgery (Definition)

LASIK is eye surgery that permanently changes the shape of the cornea (the clear covering on the front of the eye) in order to improve vision and reduce a person's dependency on ...Read more