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Astigmatism is one of the refractive errors caused by an irregularly shaped cornea. Instead of being shaped round, the cornea has an irregular curvature and is shape like an oval. It’s a visual problem with how the eye focuses light. The symptoms of astigmatism include blurred vision, difficulty with distance sight, squinting, eye strain and headaches. The main types of astigmatism are myopic, hyperopic and mixed. In myopic astigmatism, one or both eyes are nearsighted. With hyperopic astigmatism, one or both are farsighted. With mixed astigmatism, one is nearsighted, and the other eye is farsighted.
Astigmatism can often be corrected with eyeglasses, contact lenses, Limbal Relaxing Incision (LRI) or Lasik surgery. LRIs preserve the optical qualities of the cornea, produce less postoperative glare and heal quickly. Astigmatism correction can be incorporated into eyeglasses and contact lenses. For contacts, your ophthalmologist may recommend soft toric lenses or gas-permeable rigid contact lenses. Lasik surgery for astigmatism entails using a laser to reshape the cornea.
Ophthalmologists use a variety of tests to diagnose astigmatism, including a vision acuity test, refraction test, keratometry and corneal topography. With the refraction test, a phoropter is used to measure refractive errors like astigmatism. Keratometry uses a machine to measure any irregular curvature. It determines the flattest and steepest curves of the cornea. Corneal topography is an advanced technology and produces a colored map of about the shape of the cornea. It’s often used for fitting contact lenses.
At Brandon Eye Associates in Brandon and Plant City, our ophthalmologists offer options for astigmatism management. An exam will be performed to determine your degree of astigmatism. Patient options for astigmatism include contact lenses, eyeglasses or Lasik surgery. Lasik surgery is highly effective for astigmatism, but you have to be a good candidate for this procedure. Our eye surgeon will complete advanced diagnostic tests to ensure that you have no retinal problems or eye diseases, and Lasik surgery is a good fit. After Lasik surgery, patients are given detailed instructions for aftercare. We even schedule follow-up visits to monitor your progress.
Some people prefer not to undergo eye surgery. For those who prefer to wear contact lenses, we offer a wide range of top brands to accommodate astigmatism. Choose from a variety of types, such as toric and gas-permeable lenses. We also offer eyeglasses and frames from designer brands. This way, our patients can look good.
If you’re experiencing blurry vision or have difficulty focusing on distant objects, you just may have astigmatism. Give us a call at (813) 606-5876 to schedule an eye exam. If a diagnosis of astigmatism is determined, we’ll let you know all of your options and help you choose the best one for your lifestyle. Great eye care begins at Brandon Associates.
I have benefited tremendously from the eye care I received from Brandon Eye Associates
John/ Brandon, FL
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