Astigmatism: Common Vision Problem with Effective Treatments
Astigmatism, a common vision problem, affects the shape of the cornea, causing blurred and distorted vision. It often occurs alongside nearsightedness or farsightedness and can be diagnosed through a comprehensive eye exam.
Astigmatism can be regular or irregular, with regular forms leading to blurred vision and irregular forms causing uneven curvature. Symptoms include difficulty seeing at night, eyestrain, and headaches. It can be caused by an error in the shape of the cornea or lens, and even a rare condition called keratoconus. Diagnosis involves tests such as visual acuity assessment and keratometry. Treatments include glasses, contact lenses, and laser eye surgeries like LASIK, PRK, and SMILE, which reshape the cornea. Special intraocular lenses, known as toric lenses, can also be used, especially during cataract surgery.
Astigmatism is a common refractive error that affects the cornea's shape, leading to blurred and distorted vision. It can occur at any age and is often diagnosed alongside nearsightedness or farsightedness. Treatment options include glasses, contact lenses, and various surgical procedures. Early diagnosis and treatment can significantly improve vision and quality of life.
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