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Myopia is a refractive error in which the patient is unable to see objects which are far away. Their distance vision is blurry, but they can see nearby objects clearly. Myopia is sometimes hereditary, passed from parents to their children. It occurs when the cornea has too harsh of a curve or the internal proportions of the eye are not consistent. Myopia is commonly corrected with prescription lenses.
Myopia varies from person to person and is usually detected in children during school when they strain to see the white board or prefer to sit near the television for a clearer view. Patients with myopia can be unaware of faraway objects, may constantly rub their eyes to clear their view, and tend to blink persistently.
Sometimes, myopia is a sign of blood sugar level variations or an indication of cataracts
There are at least three causes of myopia:
If one parent has myopia, their children have a 50% chance to be myopic. The environmental factors that can cause myopia include low light or insufficient light exposure especially while reading. In the last decade, increased amounts of screen time and insufficient time outdoors have also been linked to myopia.
Myopia occurs when the ray of light passes through the eyes but does not focus on the retina. Instead, it focuses in front of the retina. This is why patients are able to see nearby objects or text. Most commonly, a change in the shape or length of the eye leads to myopia, but a change in the shape of the lens or cornea may also cause myopia.
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There is no way to entirely prevent myopia. However, there are some methods which can prevent its progression. The use of glasses, contact lenses, corrective surgeries, laser procedures, and alternative medicines can either prevent the progression of myopia or correct the defect in the eye which is causing myopia.
Using glasses can correct the problem and prevent the progression of myopia. The use of glasses is a primary need for myopic patients, but is not a permanent solution for the refractive problem.
Contact lenses are generally considered a better solution than glasses as they correct the full visual field, but contacts require proper care because unsanitary handling and inappropriate use can be dangerous for the eyes.
There are two main laser procedures used to correct myopia. One of them is LASIK (Laser in-situ keratomileusis), and the other is PRK (Photorefractive keratectomy). In LASIK, a beam of light is passed through the eyes and a small amount of tissue is removed from the cornea. During the procedure, the cornea can also be reshaped to improve the refraction problem.
In PRK, a laser reaches the corneal stroma and removes residual layers that are affecting distance vision.
Our knowledgeable staff is here to answer all your questions about which procedure is best for you, and ensure you have the most comfortable experience possible. Make an appointment today!
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At Texas Eye and Cataract, we know how important it is to see life with clear vision. We understand that being your best means seeing your best.
At Texas Eye and Cataract, we know how important it is to see life with clear vision. We understand that being your best means seeing your best.
