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Doctor insights on: Can I Determine My Vision From My Corrective Lens Prescription

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Can I determine my vision from my corrective lens prescription?

Can I determine my vision from my corrective lens prescription?

Roughly: There is a rough correlation between the prescription and the vision chart-- for each line on the vision chart, there is approximately 0.25 d change in the prescription. So you can estimate your vision based on this formula. ...Read more

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Dr. Richard Bensinger
1,724 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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Wondering will having iols improve my vision over my contact lenses?

Wondering will having iols improve my vision over my contact lenses?

Not likely: Iols are implanted, corrective lenses to compensate in most cases for the remove of the natural lens when it developed a cataract. Some are exploring this surgery as a way to correct overall power in those without cataracts. Contacts can fully correct most vision needs, and an iol can only equal this correction. If your hope was to get better vision than contacts can give, that wont be done. ...Read more

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I am shortsighted and want refractive laser eye surgery to correct my vision. Does that mean the surface of my eye will be cut with a razor?

I am shortsighted and want refractive laser eye surgery to correct my vision. Does that mean the surface of my eye will be cut with a razor?

It depends: When lasik was first performed, a blade was used to create the flap. Now the majority of surgeons use a femto second laser to perform this step. This "all laser" lasik allows us to create more precise flaps in a more controlled manner and achieve better results. ...Read more

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Can i get lasik eye surgery to correct my nearsightedness?

Can i get lasik eye surgery to correct my nearsightedness?

There are: Parameters that must be measured to see if you would be a good candidate for lasik. You need to see an ophthalmologist to measure these parameters then determine if you could have it done. Correcting the distance vision will make it so you will need glasses to focus to read, close up. ...Read more

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Sir I've 6/36 vision for my left eye and 6/18 for my right eye. Can I correct this using spectacles?

Sir I've 6/36 vision for my left eye and 6/18 for my right eye. Can I correct this using spectacles?

Eye problems: I know your feelings. I broke 5 spectacles at age 6 and have had eye trouble since. That said, at age 71 I see just fine with my left eye and much less with the right. I have gone from contacts to lenses and have not had any vision problem for years now. Spectacles are what you need. Find frames for the glasses that will make you look spectacular. Please let me know how things work out. ...Read more

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What will my vision be after lasik surgery? I am severely nearsighted and currently wear glasses that correct my vision to nearly 20/20. I am concerned that laser eye surgery will not be able to restore my vision to that level. Can lasik return my vision

What will my vision be after lasik surgery? I am severely nearsighted and currently wear glasses that correct my vision to nearly 20/20. I am concerned that laser eye surgery will not be able to restore my vision to that level. Can lasik return my vision

If : If your ophthalmologist feels that you qualify for lasik surgery, then there is a good chance that you will reach the 20/20 level after lasik surgery, as over 90% of patients undergoing lasik reach 20/20 after surgery. However, not everyone qualifies for lasik (especially those patients with high levels of nearsightedness such as over -10.0 d) and not everyone achieves 20/20 vision. My advice would be to have your eyes evaluated and then ask your surgeon to give you an estimate of what your particular chances are for reaching 20/20. ...Read more

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How can I tell how bad my vision is from my contact lens prescription?

How can I tell how bad my vision is from my contact lens prescription?

Look for the power: The prescription includes power, base curve, diameter. The higher the power, the stronger the prescription in either myopia (-) or hyperopia (+). ...Read more

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Can I use the glass from my old eyeglasses to my new eyeglasses?

Can I use the glass from my old eyeglasses to my new eyeglasses?

Unlikely: They would have to be a perfect match to fit into the new frame and that is unlikely. There is no harm otherwise. You could hold them in with duct tape if you don't care what they look like. ...Read more

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Where can I get prescription lenses for my sunglasses?

Where can I get prescription lenses for my sunglasses?

Many places: Almost all places that sell prescription glasses sell prescription sunglasses as well. ...Read more

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Is vision correction possible with implanted lenses that can reshape my corneas? I've read that there's now a vision correction surgery that can fix my extreme myopia by implanting a lens. How would this new lense compensate for my nearsightedness? What a

Is vision correction possible with implanted lenses that can reshape my corneas? I've read that there's now a vision correction surgery that can fix my extreme myopia by implanting a lens. How would this new lense compensate for my nearsightedness? What a

ICL : Icl surgery is superb for correcting nearsightedness without resorting to lasik surgery. There is no reshaping of the cornea as with laser surgery and the lens can be removed if there are significant changes in your vision in the future allowing for another type of treatment. It is a great treatment particularly for those who are too nearsightedness for lasik treatment. ...Read more

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My vision is cloudy (possibly from my contact lens), what should I do?

My vision is cloudy (possibly from my contact lens), what should I do?

Clean contact: Take your contact out and clean it. Re-insert it. If still cloudy, replace it. If this is cloudy, call your ophthalmologist. ...Read more

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What could be causing my floaters? My optometrist said my retina & eyes looked healthy. I just need to wear glasses for my near sightness.

What could be causing my floaters? My optometrist said my retina & eyes looked healthy. I just need to wear glasses for my near sightness.

If new, need exam: Floaters in the eye have several causes. The most common cause is degeneration of the vitreous fluid. The floaters gradually get worse, and persist. Sudden increase in floaters may be caused by vitreous separation (detachment) and may associated with a retinal tear or detachment, and an urgent eye exam is advisable. ...Read more

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Can i need corrective eye surgery to fix my astigmatism?

Can i need corrective eye surgery to fix my astigmatism?

Astigmatism Surgery: Lasik is now quite effective for correcting mild to moderate amounts of normal astigmatism. It can not correct unusually large or irregular amounts of astigmatism, and your eye doctor will have to evaluate your situation. ...Read more

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I have an astigmatism in my right eye , the eye doctor said only need to wear my glasses at night when I'm driving Can I get lazy eye or blind worried?

I have an astigmatism in my right eye , the eye doctor said only need to wear my glasses at night when I'm driving Can I get lazy eye or blind worried?

No: You obviously have a very minor astigmatism. Many people, some of the nicest and brightest (inc. me, ahem!) have much worse astigmatism which is correctable with glasses. It does not cause lazy eye or blindness. ...Read more

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My new glasses are causing my distance vision to be blurry. What should I do?

My new glasses are causing my distance vision to be blurry. What should I do?

Recheck: Go back to your original eyeglass correction prescriber (this was an ophthalmologist?) and have the power re-checked. If your vision in the office originally was excellent, then the power likely will need adjustment. ...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