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We are frequently asked if it’s wise to have cataract surgery if you have Macular Degeneration.

Let’s start with some background.

1. Cataracts and Age-related Macular Degeneration (AMD) are both leading causes of visual impairment in the elderly population.
2. Cataracts develop when the normal clear lens gets cloudy with age. This is correctable with cataract surgery, which involves replacing the cloudy lens with a clear, artificial lens.
3. While cataracts affect the front part of the eye, AMD causes damage to the retina, which is the inner back lining of the eye.

There have been concerns about cataract surgery causing progression of AMD. It has been thought that there was an inflammatory component to AMD and the normal inflammatory response after cataract surgery may lead to AMD progression.

But studies have looked at patients who underwent cataract surgery compared to patients who didn't have cataract surgery and the progression of AMD was not significantly different between the two groups. However, those patients with AMD who underwent cataract surgery had a significant improvement in vision.

AMD patients can further be characterized as having wet or dry AMD, and only those with wet AMD require treatment. Patients with wet AMD need injections to decrease the growth of new blood vessels and reduce fluid in the retina.

A 2015 study showed that after cataract surgery, there was an increase in fluid in the retina of patients with wet AMD. Therefore, in patients with wet AMD, we usually want the wet AMD to be stabilized before the patient has cataract surgery. Sometimes an injection may be given prior to cataract surgery to prevent any inflammatory changes that may be associated with cataract surgery.

The majority of the studies on the subject conclude that it is relatively safe to have cataract surgery even if you have AMD and in most cases there is a significant improvement in vision. Removing the cloudy lens also helps the ophthalmologist to better monitor the status of the AMD.  You will want to have a candid discussion with your eye doctor on the timing, benefits, and potential risks of cataract surgery with macular degeneration.

There is an old adage in the eye care industry--Glasses are a necessity, contact lenses are a luxury. Ninety-nine percent of the time this is absolutely true. In the absence of unusual eye disorders or very high prescriptions that don’t allow a person to wear glasses comfortably, contact lenses should only ever be worn if there is a good, sturdy, updated set of prescription glasses available, too. This is due to the fact that there are often emergencies where people cannot wear their contact lenses.

In the 21st century, contact lens technology has gotten to the point where we have drastically cut down on the number of adverse events related to contact lens wear. However, human beings were not meant to wear little pieces of plastic in their eyes. Contact lenses are still considered a foreign body in the eye, and sometimes with foreign bodies, our eyes might feel the need to fight back against the “invader.” As such, issues like red eyes, corneal ulcers, eyelid inflammation, dry eyes, and abnormal blood vessel growth can result from wearing contact lenses.

More often than I would like, I have patients who are longtime contact lens wearers come in, and when I inquire as to the condition of their glasses, they say they don’t own any. My next question is inevitably, “What happens if you get an eye infection and you can’t wear your contacts?” I then see the proverbial light bulb go off in their heads followed by a blank stare. Why? “Because I’ve never had a problem before.” Well, just because you maybe have never been in a car accident before, doesn’t mean you shouldn’t wear your seat belt!

I will therefore repeat the most important takeaway here--Glasses are a necessity, contacts are a luxury. Even if you don’t want to go “all out” and get the most expensive frames or lenses in your glasses, having a reliable pair of glasses is an absolute must for any contact lens wearer.