Contact Lenses for Low Vision: An Overview
Introduction
If you’re one of the millions of people worldwide with low vision, you’re probably aware that eyeglasses alone don’t always cut it. However, one alternative option could be contact lenses. That’s right, folks – even those with low vision can wear contact lenses!
What are Contact Lenses for Low Vision?
Contact lenses for low vision are special lenses designed to help those with visual impairments see more clearly. Unlike traditional lenses, which simply correct refractive errors like nearsightedness or farsightedness, these lenses have a unique design that can help improve your vision in a variety of ways. They can magnify images, change the contrast, or even filter out certain types of light to help you see more clearly.
How Do They Work?
The design of contact lenses for low vision is different from traditional lenses in several ways. They are generally larger than traditional contacts, with a diameter of about 14mm instead of the standard 9mm. This allows for a larger zone of magnification.
Some types of lenses are designed to improve contrast sensitivity, making it easier to see objects in low light or in high glare situations. Others use filters to block certain colors of light, which can be helpful for people with certain types of eye conditions.
What Are the Benefits?
The benefits of contact lenses for low vision are many. Because they sit directly on the eye, they provide a wider field of view than traditional glasses. They also allow for better depth perception, which is essential for activities like driving or playing sports.
These lenses can be particularly helpful for people with conditions like macular degeneration or diabetic retinopathy, which can cause a loss of central vision. They can also be helpful for people with corneal irregularities, such as keratoconus, which can cause distorted vision.
What Are the Drawbacks?
There are some drawbacks to contact lenses for low vision, however. They require a more complex fitting process than traditional lenses, and they can be more expensive. They also require more maintenance and care than regular contacts, as they can be more prone to collecting debris and other particles.
Conclusion
Contact lenses for low vision can be a game-changer for people with visual impairments. While they do require more effort and expense than traditional glasses or contacts, they can provide improved vision and quality of life for those who need them. If you’re interested in learning more about these lenses, talk to your eye doctor to see if they might be right for you.