Serious Conditions And Other Factors That Cause Blurry Vision

Blurry vision, which is a change in an individual’s vision that makes images appear fuzzy and unclear, is quite common. In fact, millions of individuals around the world suffer from blurry vision. This can come on quite quickly or over time, and it can also be in only one eye or both eyes. Besides the standard factors that typically cause an individual’s vision to blur, such as aging or staring at a computer or television screen for extended periods, or even just feeling quite tired, blurry vision may be an indication of a more severe issue requiring prompt medical treatment before serious complications set in.

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Nearsightedness

Nearsightedness, otherwise known as myopia, is one of the most common vision issues in the world. Nearsighted individuals can see the objects close to them, but objects far away become blurry. This condition occurs when the eye's shape causes incorrect refracting of light rays. With normal vision, the rays focus on the retina, the light-sensing portion of the eye. This allows the eye to make out details and focus on objects. But in nearsighted individuals, light rays focus in front of the retina rather than directly on it. Nearsightedness often runs in families. It can develop on a gradual or rapid basis, and it tends to become worse during childhood and the teenage years. Nearsightedness can be confirmed through a basic eye exam. The vision blurriness individuals with this condition experience can be corrected with prescription eyeglasses, refractive surgery, or contact lenses.

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Farsightedness

Farsightedness, or hyperopia, is another common vision condition. A farsighted individual will be able to clearly see objects in the distance, but objects close to them will appear blurry. Different individuals with this condition will have different abilities to focus. With severe farsightedness, patients might only be able to see objects in the far distance, but those with a more mild form of the condition may be able to see closer objects. Farsightednes usually runs in families and tends to be present from birth. It can be corrected with contact lenses, eyeglasses, or surgery. Farsightedness occurs when the lens or cornea of the eye isn't smoothly and evenly curved, causing incorrect refraction of light. The cornea has a too-small curve or the eyeball itself is shorter than usual.

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