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Refractive errors - Generics

Refractive errors are a common eye disorder that affects the ability of the eye to focus light properly, resulting in blurred vision. There are three main types of refractive errors:

  1. Myopia: Also known as nearsightedness, myopia occurs when the eye is too long or the cornea is too steep, causing light to focus in front of the retina instead of directly on it. This makes distant objects appear blurry.
  2. Hyperopia: Also known as farsightedness, hyperopia occurs when the eye is too short or the cornea is too flat, causing light to focus behind the retina instead of directly on it. This makes close objects appear blurry.
  3. Astigmatism: Astigmatism occurs when the cornea is irregularly shaped, causing light to focus on multiple points instead of a single point. This can cause distorted or blurred vision at all distances.

Refractive errors can be corrected with prescription eyeglasses or contact lenses that are designed to compensate for the specific refractive error. Refractive surgery, such as LASIK or PRK, can also be used to reshape the cornea and correct refractive errors. The type of correction needed will depend on the specific type and severity of the refractive error, as well as the patient's individual needs and preferences. It is important to have regular eye exams to detect and manage refractive errors, as they can affect daily activities and may lead to other eye problems if left untreated.


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