Health17 Dec 2009 12:56 pm
A nearsighted person sees close objects clearly, but distant objects appear blurry because their eyes are unable to focus correctly. Nearsightedness occurs when the length of the eye is greater than the optical length. As such, it is common amongst rapidly growing children and teenagers. Once a child becomes nearsighted, the condition continues to progress while they are still growing, which requires frequent changes in glasses and contact lenses. Luckily, the condition usually stops progressing once a child reaches their mature height. Nearsightedness tends to run in families and is equally prevalent in men and women.
Unfortunately, there is no way to prevent nearsightedness, and no known contributing external factors of the condition. Parents should arrange an appointment with an ophthalmologist for an eye examination if their child exhibits the following signs and symptoms of the condition:
Difficulty reading the blackboard at school or faraway signs on the wall;
Holding books very close to their face while reading;
Sitting too close to the Television;
Complaints that distant objects appear blurry;
Persistent squinting in order to see more clearly; and
Regular complaints of headaches caused by eyestrain.
A general eye examination is used to diagnose nearsightedness, and ophthalmologists usually prescribe glasses or contact lenses to treat the condition. In recent years, laser vision correction surgery is also becoming an increasingly popular option for correcting nearsightedness.
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