Myopia, or nearsightedness, is the most common visual condition across the world. Extreme myopia is hereditary, while some cases can be acquired due to eyestrain from the excessive amounts of near-centered work such as studying and staring at electronic devices all day long.
When an eye is myopic, the total power of the eye is too strong causing the incoming light to focus in front of the retina. This condition allows you to see at near but blurs the distance images. Light rays cross at the focal point and then begin to diverge, casting a large blurry image on the retina.
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