What Is Astigmatism?
Astigmatism is an extremely common eye condition that affects both children and adults. It occurs when there is an imperfection in some part of your cornea, the clear tissue that covers your iris.
Types of Refractive Surgery
There are several types of refractive surgery available to correct vision problems caused by refractive errors, including:
- LASIK (laser-assisted in situ keratomileusis)
- Custom or bladeless LASIK
- Photorefractive keratectomy (PRK)
- Laser epithelial keratomileusis (LASEK)
- Epi-LASIK
- Conductive Keratoplasty (CK)
- Phakic Intraocular Lenses (IOLs)
- Refractive Lens Exchange (Clear Lens Extraction)
Most of these procedures involve reshaping the curvature of the cornea with laser or heat. Sometimes, a very thin flap is made in the cornea, so the ophthalmologist can access and reshape the cornea underneath. Afterwards, the flap is replaced and the cornea is allowed heal on its own, without the need for sutures.
Before deciding on a type of refractive surgery, talk to your ophthalmologist about the potential risks and side effects. Keep in mind that there is not a single best procedure for everyone. Your ophthalmologist can help you choose a procedure that fits your visual requirements and lifestyle.
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