Getting cataract surgery? What you need to know about lenses

by | Jun 22, 2023 | Health and Wellness

As we age, our vision changes. One of the most common aging eye conditions is cataracts, which affect more than 3.5 million Canadians every year. People know very little about cataracts, caused by a protein build-up in the eye, and that it can lead to symptoms such as blurred vision and light sensitivity.

When it’s time for cataract surgery, many people are unaware that the natural lens will be replaced with an artificial one, called an intraocular lens, during surgery and that there are options when it comes to that lens. One size does not fit all when it comes to lenses, according to Dr. Kathy Cao, a Canadian ophthalmologist.

“Your surgeon needs to understand what you want, the kinds of activities you engage in and your expectations. For example, do you rely on near vision as a bookworm or distant vision as a cyclist? Most people don’t realize how much of our everyday activity is done at an arm’s length, like working at a computer or putting on makeup. These are important things to think about when choosing a lens.”

So what options are available?

Monofocal lenses are designed to provide clear distance vision. You will still likely require glasses for tasks such as reading and potentially for distance vision.

Monofocal toric lenses are designed to provide clear distance vision while correcting astigmatism, an imperfection in the curvature of the eye that causes blurred vision. It’s likely you will require glasses for reading.

Extended depth of focus lenses provide good distance and intermediate vision and functional near vision. You may find you need glasses for reading fine print.

Trifocal lenses deliver good near, intermediate and distance vision. These lenses provide some of the greatest independence from glasses.

Find more information about lens options at seethefullpicture.ca or speak to your eye doctor.

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