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Nearsightedness, or myopia, is a vision problem that makes distant objects look blurry while close-up objects stay clear. It happens when the shape of your eye causes light to focus in front of the retina, instead of directly on it. Nearsightedness usually begins in childhood and can worsen over time.
read more about nearsightedness ...Nearsightedness can be genetic and run in families. Your daily habits also play a part, such as doing a lot of close-up work or not spending enough time outdoors. The condition usually starts in childhood and continues to change until early adulthood.
Think of your eye as a camera that needs to focus light onto a sensor at the very back, called the retina. Nearsightedness happens when your eyeball grows just a little too long from front to back. Because the eye is too long, light from far-away objects focuses in front of the sensor, not directly on it.
This misfocused light makes distant things, like a sign down the street, look blurry. Your genetics, combined with habits like all-day close-up reading, can encourage the eye to grow this extra length during childhood.
A person with nearsightedness can clearly see objects up close, like a book or a phone. They have trouble seeing things far away, like road signs or a whiteboard in a classroom.
Nearsightedness makes distant objects blurry. Farsightedness (hyperopia) makes close-up objects blurry. They are opposite conditions. Both are common and can be corrected with glasses or contact lenses.
The main symptom of nearsightedness is blurry distance vision. Other signs include squinting, eye strain, and headaches. An optometrist diagnoses nearsightedness during a routine eye exam and will find your correct prescription.
No. Nearsightedness is caused by the physical anatomy of the eye (the eyeball is too long). While eye exercises can help relieve digital eye strain or focusing fatigue, they cannot physically shrink the length of the eye or reshape the cornea to cure the refractive error.
No, this is a common myth. Glasses and contact lenses are simply tools to focus light correctly on the retina; they do not change the physiology of your eye muscles. Refusing to wear your correction does not "strengthen" your eyes it only causes unnecessary strain, squinting, and fatigue.
Book an eye exam if you notice blurry distance vision, frequent squinting, eye strain, or headaches, especially while driving or reading from a distance.
Children need regular eye exams because nearsightedness often starts during their school years. Even if your vision seems fine, routine checkups help catch changes early and keep your prescription current.