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My intraocular lens has moved out of position. How can it be treated?

When an IOL moves out of its normal position, vision may become blurry or objects may appear doubled. Treatment may involve repositioning or exchanging the lens. If there is insufficient tissue to support it, scleral fixation may be considered. The appropriate technique depends on the condition of the IOL and the structures inside the eye.

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33

How long should I stop wearing contact lenses before my preoperative examination?

For accurate measurements, we generally recommend stopping contact lens wear for at least one week before the examination. Contact lenses can temporarily alter corneal shape and tear-film quality, aff...
32

I had LASIK or LASEK years ago, but my vision has become blurry again. Can I have another procedure?

A second procedure may be possible, but the first step is to identify why your vision has changed. Treatment will differ depending on whether the cause is residual nearsightedness or astigmatism, dry ...
31

Why does vision sometimes get worse again after laser eye surgery?

There are several possible reasons, including progression of myopia, dry eye, residual astigmatism, corneal changes, and age-related changes in the natural lens. A vision test and detailed corneal exa...
30

Is enhancement surgery possible after SMILE?

Some patients may be candidates for further vision correction after SMILE. We first assess the depth of the original treatment, remaining corneal tissue, corneal shape, current refractive error, and t...
29

Why is corneal thickness particularly important for a second laser procedure?

An enhancement procedure removes additional tissue from a cornea that has already undergone surgery. We consider the residual stromal bed, total corneal thickness, corneal shape, and expected treatmen...
28

When is the right time to have cataract surgery?

A cataract diagnosis does not always mean you need surgery right away. Surgery is usually considered when changing your glasses no longer provides satisfactory vision or when daily activities such as ...
27

Is a more expensive multifocal lens necessarily better?

Not necessarily. The best choice depends on factors such as how often you drive at night, the distance at which you usually read or use your phone, and the health of your cornea and retina. The goal i...
26

My vision is still blurry after cataract surgery. Do I need another operation?

Not necessarily. Blurry vision after cataract surgery can have several causes, including residual nearsightedness or astigmatism, dry eye, posterior capsule opacification, IOL position, or retinal dis...
25

When does an intraocular lens need to be exchanged?

IOL exchange may be considered if a lens becomes dislocated, if its power is significantly different from what the eye needs, or if substantial lens-related symptoms persist despite treatment of other...
24

Do I need a new IOL if I develop a secondary cataract?

What is commonly called a “secondary cataract” is usually posterior capsule opacification (PCO). When treatment is needed, it can often be managed with a YAG laser capsulotomy rather than an IOL excha...
23

Can an intraocular lens still be exchanged many years after cataract surgery?

An older IOL may still be exchanged, but surgery can become more challenging as adhesions develop between the lens and capsular bag over time. We compare the likely benefits and risks of exchange and ...
22

Is it possible that my vision will not fully recover even after successful retinal surgery?

Yes. Even when surgery successfully reattaches the retina, vision may not return to its previous level. Recovery can be limited if the macula, which is responsible for central vision, has remained det...