Cataract surgery involves removing the clouded natural lens of the eye and replacing it with an artificial lens, known as an intraocular lens (IOL). This new lens becomes a permanent part of your eye and can significantly improve your vision. While a standard IOL can significantly improve your vision, premium lens options provide additional features that can further enhance your vision quality and reduce dependency on glasses or contact lenses. Here are some options:
1. Multifocal IOLs: These lenses have multiple focal points or zones to provide clear vision at multiple distances. This can reduce your dependency on reading glasses or bifocals after cataract surgery. Common brands include ReSTOR and Tecnis Multifocal IOLs.
2. Accommodating IOLs: These lenses move or change shape inside the eye to allow focus at multiple distances. The most common accommodating IOL is the Crystalens.
3. Toric IOLs: These lenses are designed for people with astigmatism, a common condition where the cornea is not perfectly round, causing blurred or distorted vision. Toric IOLs can correct astigmatism and can thus improve uncorrected vision better than other lenses. Examples include Tecnis and AcrySof IQ Toric IOLs.
4. Extended Depth of Focus (EDOF) IOLs: These lenses provide a continuous range of vision for far, intermediate, and near distances, with a focus on providing particularly good intermediate vision. This can be particularly beneficial for tasks like using a computer or reading a menu. The Tecnis Symfony IOL is a popular choice in this category.
The best lens for you will depend on your lifestyle, your specific visual needs, and your personal preferences. For example, if you spend a lot of time reading or doing close-up work, you might benefit from multifocal lenses. If you have astigmatism, a toric IOL might be a good choice. Your ophthalmologist at Sweeney Eye Associates will discuss these options with you to help determine the best choice for your specific needs.