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Doctor insights on: Astigmatism Wheel

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Could myopia reverse when using convex lens (magnifying lens).?

Could myopia reverse when using convex lens (magnifying lens).?

No: Lenses do not change the eye. A convex lens would be the opposite of what a myope needs which is a concave lens. ...Read more

Dr. Tim Conrad
393 doctors shared insights

Astigmatism (Definition)

An eye condition that causes blurry vision because the eye is unable ...Read more


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Could lasik correct astigmatism in a farsighted eye?

Could  lasik correct astigmatism in a farsighted eye?

Usually: Most patients with hyperopic astigmatism can have their prescription corrected with lasik. Some patients have issues which make them poor lasik candidates so you should see your eye doctor. ...Read more

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What are ortho-k lenses used for: myopia (nearsightedness) or astigmatism?

What are ortho-k lenses used for: myopia (nearsightedness) or astigmatism?

Both: Ortho-k is an expensive and non-sensible treatment. With this, you wear contact lenses while you sleep that mould the cornea. This allows better vision. During the day, the cornea reshapes itself to normal. What this means is that you see well for a few hours and your vision fades as the day progresses. A more sensible and cheaper solution is to wear contact lenses during the day. ...Read more

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Right/left eye-sphere-0/0 cylinder=-2/-1 axis-120/15.Got glasses 1st time.I have astigmatism.After 2 days of wearing glass square looks like trapezoid?

Right/left eye-sphere-0/0 cylinder=-2/-1 axis-120/15.Got glasses 1st time.I have astigmatism.After 2 days of wearing glass square looks like trapezoid?

Give it time: Distortion from astigmatic correction can take some time to adjust to. Your vision will not be as clear without the astigmatic correction. Wear the glasses full time, so yo can adjust. Worse case scenario, you have the astigmatism added to your prescription in steps over a years time. This is costly though. ...Read more

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Can aspheric eyeglass lenses help nearsighted people?

Can aspheric eyeglass lenses help nearsighted people?

Aspheric glasses: Aspheric glasses may minimize induction of aberrations in nearsighted people but usually not to a clinically significant degree. That being said you are better off spending your money on high index glass to minimize the thickness and weight of your glasses. Contact lenses are also a very good option. ...Read more

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Deep-set small eyes cause astigmatism & nearsightedness? How?

Deep-set small eyes cause astigmatism & nearsightedness? How?

Not really: Deep set eyes have really nothing to do with whether you are nearsighted, farsighted or have astigmatism. The bony socket where your eye resides is genetically determined. Some peoples eyes sit deeply in the socket, while others protrude outward. Small eyeballs are farsighted. Large eyeballs are nearsighted. Astigmatism is a result of differences in the corneal curvature meridians. ...Read more

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My uncorrected distance vision is 20/200; corrected is 20/20. Will my uncorrected vision improve after aspheric monofocal IOL post cataract surgery?

My uncorrected distance vision is 20/200; corrected is 20/20. Will my uncorrected vision improve after aspheric monofocal IOL post cataract surgery?

Very Possibly: It is always difficult to answer this kind of question without knowing the details of your case. In general, If this is what you wish and no complications occur, your uncorrected vision will likely improve. The best of wishes for good health ...Read more

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Use monovision w/some blurring at distance & computer. Could single vision contact for distance eye & bifocal contact for near eye improve vision?

Use monovision w/some blurring at distance & computer. Could single vision contact  for distance eye & bifocal contact for near eye improve vision?

Monovision: is very effective of roost people. Variations for the optimum distance (far, intermediate and near) can be obtained through single vision contact lenses or a combination of single vision lens and multifocal lens. Your eye care provider will be able to determine the power and variations from your examination. Be sure to verbalize your needs and illustrate to him/her the distances involved. ...Read more

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Dsek prem.Iol & cornea slipped, vis 20/70. Dr. Lifted cornea & it wrinkled. 2nd cornea trnsplnt but dev. Cme.Shots ok but blurry distance vision. ?

A lot of info here: There is a lot going on here, but sounds like some of the common problems with such a procedure. You will not have good vision as long as you have cme. Sometimes with dsek you can't get 20/20 but worse than 20/40 is unusual. If you have a multifocal iol with a dsek, i suspect that could give diminished vision as well. ...Read more

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What's refractive lens exchange for? Presbyopia?

What's refractive lens exchange for? Presbyopia?

Vision correction: This is most commonly recommended in younger people with more extreme degrees of visual need beyond what lasik can easily accomplish. It involves the removal of the natural lens and replacement with an artificial lens of the correct power. This can be of great benefit to those with extreme eyeglass needs but it does carry some risk. ...Read more

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Astigmatism but wants contact lenses?

Astigmatism but wants contact lenses?

Readily available: Most manufacturers of contact lenses now have ones available to correct astigmatism. Be mindful that you are entering the presbyopic era (age related difficulty with near vision). See your ophthalmologist for evaluation and lens fitting. ...Read more

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Im farsighted/astigmatism/byfocal. When they correct the astigmatism it cuts my distance and makes words blurry. +.75/-.75/70. Closeup has glare.

Im farsighted/astigmatism/byfocal. When they correct the astigmatism it cuts my distance and makes words blurry. +.75/-.75/70. Closeup has glare.

Return to eye doc: Correcting the astigmatism should make the distance better. At your age, you may also need a multifocal glasses prescription to see well at distance and close. Return to the eye doc for evaluation. ...Read more

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Post lasik , left eye +0.5 and -0.5 astig, right eye plano and -0.25 astig. Is this a poor outcome? Was myopic before surgery. Right eye poor distance

Post lasik , left eye +0.5 and -0.5 astig, right eye plano and -0.25 astig. Is this a poor outcome? Was myopic before surgery. Right eye poor distance

Great LASIK outcome: Rather than looking at your postoperative refraction, the question to ask is if you can see. The prescription of +0.50-0.50 is an insignificant and many with that will have 20/15 vision or better. Stop worrying and enjoy your great vision! ...Read more

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Acrysof toric lens put in R eye 10/14. +5 -2.75 correction. Good vision, etc. Temporal crescent. Flicker in most light. None in dark. Prognosis?

Acrysof toric lens put in R eye 10/14. +5 -2.75 correction. Good vision, etc. Temporal crescent. Flicker in most light. None in dark. Prognosis?

Post op cataract: It appears from your question that the surgery was done October 14th (today is 10/17). There are a number of visual symptoms that appear in the first few days / weeks after cataract surgery that resolve spontaneously. The temporal crescent and flickering are very common and almost always resolve. One theory is that the implant becomes more secured within the capsular bag during this period of time ...Read more

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Lt.eye mac.pucker.Corrected vision 20/40 µpsia.Amsler grid nl.Corrected vision 20/40.Age 69.Could the macuar pucker cause micropsia?Rt. eye20/30.

Micropsia: Yes, it can if the macular pucker is severe enough. Micropsia is a condition in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema,macular degeneration, and more ...Read more