Why do I need a retinal examination before cataract surgery?

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Why do I need a retinal examination before cataract surgery?
Retinal conditions such as epiretinal membrane, age-related macular degeneration, and diabetic retinopathy can affect visual outcomes and the choice of IOL. When indicated, we perform a dilated retinal examination and optical coherence tomography (OCT) to assess the back of the eye. Removing a cataract does not necessarily correct every cause of reduced vision.

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33	Can I have an examination now and decide about surgery later? Of course. You can have your eyes examined, review your options, and take time to decide whether to proceed with surgery. In non-urgent cases, monitoring or nonsurgical treatment may be appropriate. U...
32	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...
31	Can glare and halos that started after LASIK be treated? Additional treatment may be considered if glare and halos are related to an irregular cornea or the position of the original treatment zone. However, dry eye, pupil size, or changes in the natural len...
30	What are my options if another laser procedure is not safe for my corneas? If further corneal laser treatment is not appropriate, glasses, contact lenses, or an implantable lens may be considered, depending on the eye. If corneal ectasia is suspected, stabilizing the cornea ...
29	What is the difference between air and gas used during retinal detachment surgery? During retinal detachment surgery, air or a medical gas may be placed inside the eye to help keep the retina in position while it heals. Air is absorbed faster than longer-acting gases, which can allo...
28	Will I have to lie face down after retinal detachment surgery? Not always. Your postoperative positioning depends on the location of the retinal breaks, whether air, gas, or silicone oil was used, and the surgical technique. Some patients need to keep their head ...
27	Can retinal detachment happen again after surgery? Yes. Retinal detachment can recur because of a new retinal break, remaining traction, or proliferative vitreoretinopathy, among other causes. Keep your scheduled retinal follow-up appointments, and se...
26	What is the difference between LASIK, LASEK, and SMILE? LASIK reshapes the cornea with a laser after creating a corneal flap. LASEK reshapes the cornea after removing the surface epithelium. SMILE-type procedures create a small disc of tissue, called a len...
25	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...
24	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 ...
23	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...
22	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 ...