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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9	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 ...
8	What is the difference between monofocal and multifocal intraocular lenses? A monofocal intraocular lens is generally designed to focus at one distance. Multifocal lenses are designed to reduce reliance on glasses at multiple distances. However, some multifocal IOLs can cause...
7	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...
6	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...
5	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...
4	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 ...
3	If I have a retinal problem, does that mean I need surgery? Not always. Conditions such as epiretinal membrane, macular hole, retinal detachment, and vitreous hemorrhage require different approaches depending on their type and severity. Some can be monitored o...
2	Does retinal detachment need to be operated on urgently? Retinal detachment is an eye emergency, and the timing of surgery can have a major impact on vision after treatment. Prompt surgery is particularly important before the macula, the part of the retina ...
1	Is a retinal tear the same as retinal detachment? No. A retinal tear or hole is a break in the retina, while retinal detachment occurs when the retina separates from the tissue beneath it. Some retinal tears can be treated with laser before detachmen...