What Is Nearsightedness?
Nearsightedness, also called myopia, is one of the most common refractive errors. Myopia is the most cause of impaired vision in people under age 40. Patient with nearsightedness can see objects near to you clearly, but objects farther away are blurry. It occurs when the shape of your eye causes light rays to bend incorrectly, focusing images in front of your retina instead of on your retina.
Nearsightedness may develop gradually or rapidly often worsening during childhood and adolescence. Nearsightedness tends to run in families.
Symptoms of Nearsightedness
If you are nearsighted, you will have difficulty reading road signs and seeing distant objects clearly, but will be able to see well for close-up tasks such as reading and computer use.
Other signs and symptoms of myopia include squinting, eye strain and headaches. Feeling fatigued when driving or playing sports also can be a symptom of uncorrected nearsightedness.
If you experience these signs or symptoms while wearing eyeglasses or contact lenses, you had better perform a regular eye exam to see if you need a stronger prescription.
What Causes Nearsightedness?
However, what may cause nearsightedness? Myopia occurs when the eyeball is too long, relative to the focusing power of the cornea and lens of the eye. This causes light rays to focus at a point in front of the retina, rather than directly on its surface.
Since nearsightedness can be caused by the cornea or lens being too curved for the length of the eyeball. In some cases, myopia occurs due to a combination of these factors.
Do You Need Glasses for Nearsightedness?
In the above part, you have learned what nearsightedness is and the symptoms of nearsightedness. You may ask how I can treat nearsightedness. In general, nearsightedness can be corrected by wearing corrective glasses or contact lenses.
But, if you need a pair of prescription glasses, you had better have an eye exam and the doctor will test whether you have nearsightedness and suggest the best lenses to improve your visual acuity.
Something to consider is that many people experience symptoms of nearsightedness, such as blurry vision or eye strain, when they do not have the condition. This is the result of trying to focus on distant objects for too long. Even if these symptoms are temporary, continuing to strain your eyes can cause damage to your eyesight in the future.
At the same time, if your nearsightedness is minor, you may not have to wear your glasses all the time.
Meanwhile, if you need a pair of corrective glasses for myopia, you can try Koalaeye glasses. They are cheap and stylish. In addition, you can get prescription eyeglasses for nearsightedness online with great convenience.
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