Nearsightedness and farsightedness are refractive errors that cause blurry vision. They can’t be prevented and may run in families. Symptoms include blurry vision for distant or close objects, which can lead to eye strain and headaches. Severe nearsightedness may increase the risk of eye diseases like glaucoma or retinal detachment. Treatment options include glasses, contact lenses, and LASIK surgery.
A person with nearsightedness can see things that are close but cannot clearly see things that are far away, while a person with farsightedness can see things that are far away but cannot see things clearly that are close. Nearsightedness and farsightedness are also known as nearsightedness and farsightedness, respectively. The range of things an individual might be able to see clearly differs from person to person as both conditions could be mild or severe.
Both myopia and farsightedness are refractive errors. Light entering the eye should bend and strike the retina, the part of the eye that focuses images. A refractive error means that the eye is unable to bend light properly, making objects blurry. With nearsightedness, refractive error occurs when the retina is too far away for light to reach it. Just the opposite is true with farsightedness; light travels too far and strikes behind the retina.
There are no steps an individual could take to prevent nearsightedness and farsightedness. Both conditions can run in families and affect anyone. Also, sometimes farsightedness can be present in a child at birth, but when this is the case, the condition usually goes away on its own as the child grows.
The symptoms of nearsightedness and farsightedness are simple. For myopia, things that are too far away appear blurry. For farsightedness, things that are too close are blurry. An individual with nearsightedness or farsightedness may need to squint to see these blurry objects clearly. This can lead to eye strain, which can then lead to headaches.
In addition to having vision difficulties, nearsightedness and farsightedness have links to other medical conditions. For example, severe nearsightedness can increase an individual’s risk of developing an eye disease known as glaucoma. In addition, retinal tearing or detachment, a medical emergency that can cause vision loss, can also occur with nearsightedness. Signs of retinal detachment include suddenly seeing flashing lights or floating dots, as well as some loss of vision.
An individual with nearsightedness or farsightedness may want to take steps to help them achieve better vision. This may include having an eye exam and getting glasses or contact lenses. If you have nearsightedness, you might consider laser-assisted eye surgery in situ keratomileusis (LASIK), a medical procedure that corrects the condition.
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