Astigmatism is a common eye condition that causes blurry or distorted vision. It happens when the front surface of the eye, called the cornea, or the lens inside the eye, is shaped unevenly. This makes it difficult for light to focus properly on the retina.
Many people with astigmatism wonder if they can wear normal contact lenses, which are usually made for simple nearsightedness or farsightedness.
This article will explain whether normal contact lenses are suitable for astigmatism, and it will explore other lens options that provide clearer vision. You will also find helpful tips for choosing the right contact lenses if you have astigmatism.
Understanding Astigmatism
Astigmatism occurs when the cornea or the lens inside the eye is not perfectly round but is shaped more like a football. This irregular shape causes light to bend unevenly, leading to blurred or distorted vision at all distances.
Symptoms of astigmatism include blurry vision, eye strain, headaches, and difficulty focusing. Some people have mild astigmatism and may not notice symptoms right away.
Because of the irregular shape of the eye, regular glasses or contact lenses may not fully correct vision. Special lenses are often needed to provide the best clarity and comfort.
What Are Normal Contact Lenses?
Normal contact lenses, also called spherical lenses, are designed to correct nearsightedness or farsightedness. These lenses have the same curvature all around, helping to focus light properly on the retina.
However, normal contact lenses cannot correct the uneven curvature caused by astigmatism. Since the cornea is irregularly shaped, spherical lenses alone do not provide clear vision for people with astigmatism.
That is why people with astigmatism usually need special lenses designed to address this condition.
Can You Wear Normal Contact Lenses With Astigmatism?
If you have mild astigmatism, you might find that normal contact lenses provide acceptable vision. In some cases, the amount of astigmatism is small enough that spherical lenses can partially correct your vision, especially if you only need lenses for distance or near vision.
However, normal lenses are not designed to correct the irregular shape of the eye caused by astigmatism. Wearing them when your astigmatism is moderate or high can result in blurred or distorted vision. You might also experience discomfort or eye strain because your eyes are trying to adjust to the imperfect correction.
Because of these limitations, many eye care professionals recommend toric contact lenses for people with astigmatism. Toric lenses are specially made to correct the uneven curve of the cornea, providing sharper and more stable vision.
Patients who switch from normal lenses to toric lenses often report clearer sight and improved comfort. If you have astigmatism and are unsure which lenses suit you best, it is important to talk with an eye care professional for personalized advice.
What Are Toric Contact Lenses?
Toric contact lenses are designed specifically to correct astigmatism. Unlike normal spherical lenses, toric lenses have different powers in different directions to match the irregular shape of the cornea or lens inside your eye.
This means that toric lenses have a unique shape that helps focus light more accurately onto the retina. The lenses are usually thicker in one area and thinner in another to adjust for the uneven curve of the eye.
There are different types of toric lenses available:
- Soft toric lenses are flexible and comfortable for most people. They are the most common type and are easy to adapt to.
- Rigid gas permeable (RGP) toric lenses are firmer and can provide sharper vision for some users, but they may take longer to get used to.
- Hybrid lenses combine a rigid center with a soft outer ring, offering both comfort and clear vision.
Your eye doctor can help determine which type of toric lens is best for your eyes and lifestyle.
If you’re interested in colored contacts, this guide helps you pick the perfect shade that complements your natural skin tone.
Alternatives to Contact Lenses for Astigmatism
If contact lenses aren’t the right fit for you, don’t worry. There are several other effective ways to correct astigmatism. Here’s a closer look at your options:
1. Glasses with Cylindrical Lenses
- These are the most common alternatives to contact lenses.
- Cylindrical lenses are specially designed to correct the uneven curvature of the cornea caused by astigmatism.
- Glasses provide clear and stable vision without touching the eyes, making them easy to use and care for.
- They are a great choice if you prefer something simple or want a backup for contact lens wear.
2. Refractive Surgery (LASIK, PRK)
- Surgical options like LASIK and PRK permanently reshape the cornea to reduce or eliminate astigmatism.
- LASIK creates a thin flap on the cornea, then reshapes the underlying tissue with a laser. PRK removes the cornea’s surface layer and reshapes the tissue beneath.
- These procedures can significantly reduce dependence on glasses or contacts.
- Not everyone qualifies for surgery; your eye doctor will evaluate your eye health and cornea thickness.
- Surgery carries some risks and requires recovery time, so thorough consultation is important.
3. Orthokeratology (Ortho-K) Lenses
- Ortho-K lenses are rigid gas-permeable lenses worn overnight.
- They gently reshape the cornea while you sleep, allowing you to see clearly without lenses or glasses during the day.
- This is a non-surgical, reversible option often used for mild to moderate astigmatism.
- It’s popular among children and people who want clear vision without daytime eyewear.
- Regular follow-ups with your eye doctor are necessary to monitor eye health and lens fit.
4. Other Specialized Lenses
- Hybrid lenses: These have a rigid center for sharp vision and a soft outer ring for comfort, useful for certain types of astigmatism.
- Scleral lenses: Larger lenses that vault over the cornea, good for irregular astigmatism or corneal conditions.
- These options are less common but may be recommended based on your specific needs.
Each alternative comes with its own benefits and considerations. Discuss these options with your eye care professional to find the best fit for your lifestyle and vision needs.
Learn about common issues people face with contact lenses and how to prevent or manage them for a more comfortable wearing experience.
Tips for Wearing Contact Lenses With Astigmatism
- Get a Proper Fitting:
Always visit an eye care professional to ensure your contact lenses fit your eyes correctly and match your exact prescription. Proper fitting is key for comfort and clear vision. - Schedule Regular Check-Ups:
Regular eye exams help check that your lenses are fitting well and that your eyes remain healthy over time. This also allows your doctor to update your prescription if needed. - Follow Lens Care Instructions:
Clean and store your lenses as directed to avoid infections or discomfort. Proper hygiene is essential to maintain eye health. - Watch for Discomfort:
If you notice irritation, redness, persistent dryness, or blurry vision, stop wearing your lenses and contact your eye doctor immediately. These symptoms may mean your lenses need adjustment or replacement. - Choose Breathable and Comfortable Materials:
Look for lenses made with materials that allow oxygen to reach your eyes. Soft toric lenses are often recommended because they provide good comfort and easy wear. - Consult Your Eye Care Professional:
Your eye doctor can recommend the best lens types and brands suited for your specific type of astigmatism and lifestyle.
Proper cleaning and care are essential to keep your lenses safe and your eyes healthy. Check out our easy guide to maintaining your contact lenses.
Conclusion
Astigmatism can make finding the right contact lenses a challenge, but with today’s options, clear and comfortable vision is within reach. While normal contact lenses might work for those with very mild astigmatism, they often fall short for most people with this condition.
Toric lenses are specially designed to correct the uneven curvature of the eye, providing sharper vision and greater comfort throughout the day.
Choosing the right lenses requires a proper fitting and consultation with an eye care professional. They can assess the degree of your astigmatism, discuss your lifestyle needs, and recommend lenses that will keep your eyes healthy and your vision clear.
If you have been struggling with blurred vision or discomfort from normal lenses, it might be time to explore toric contact lenses. Many people find that making the switch improves their daily life, whether it’s for work, sports, or just enjoying everyday activities.
Don’t wait to get the best vision correction for your eyes. Schedule an appointment with your eye doctor to discuss toric lenses or other suitable options. With the right guidance and lenses, you can enjoy clear, comfortable vision every day.
Common FAQs
Can astigmatism worsen if I wear normal contacts?
Wearing normal contact lenses won’t make astigmatism worse, but they may not correct your vision properly. This can cause eye strain or headaches if your eyes work harder to focus.
How often should toric lenses be replaced?
Replacement schedules vary. Some toric lenses are daily disposables, while others last for two weeks or a month. Follow your eye care professional’s advice and the lens manufacturer’s instructions.
Are toric lenses more expensive than normal lenses?
Yes, toric lenses usually cost more because of their specialized design. However, many find the extra cost worthwhile for clearer, more comfortable vision.
Can I try normal lenses before switching to toric?
If you have very mild astigmatism, your eye doctor might suggest trying normal lenses first. But for moderate or higher astigmatism, toric lenses typically offer better vision correction.
