Astigmatism and myopia are vision conditions caused by irregularities in the shape of the cornea or eyeball. They can occur together or with other conditions, and can be corrected with eyeglasses, contact lenses, or laser surgery. Myopia is more common in school-age children and can be caused by eye stress or genetics. Diabetes and antibiotics can also affect vision. Amblyopia, or lazy eye, is a complication of astigmatism that requires early treatment.
Myopia and astigmatism are conditions that affect vision. Astigmatism develops when the cornea has an irregular shape, leading to blurred vision. Myopia develops when the eyeball is too long or the cornea has excessive curvature.
The two conditions of myopia and astigmatism often occur together. Astigmatism can also occur with another vision condition, farsightedness or farsightedness. Although nearsightedness and farsightedness are common along with astigmatism, they are not directly related to each other and it is possible to have one without the other.
The irregular shape of the cornea in individuals with astigmatism prevents light from focusing properly on the retina, which leads to blurred vision. Astigmatism is a common condition and most people have some degree of irregularity in the shape of the cornea. Individuals with a mild case of astigmatism will not require corrective lenses. Severe cases of astigmatism require correction to prevent blurred, distorted vision, eye pain, and headaches.
Astigmatism is believed to be a genetic condition. Babies can be born with astigmatism, which gets worse or better with age. Corrections for astigmatism include eyeglasses, contact lenses, and refractive correction, such as laser surgery.
Myopia is the more common name for myopia. It is a vision problem that makes it difficult to see things from afar, while allowing the individual to see things clearly up close. The condition is caused by eye stress, such as a large amount of close work, or genetics.
Myopia develops most often in school-age children. It gradually worsens during adolescence and tends to stabilize by the age of 20, when the eye stops growing. Health conditions, such as diabetes, can also lead to nearsightedness.
Treatments for nearsightedness and astigmatism are similar, with contact lenses, eyeglasses, and laser surgery being possible treatment options. An additional treatment for myopia is vision therapy. Vision therapy is an effective treatment for people who develop nearsightedness due to visual stress.
Not all cases of myopia and astigmatism are simple. Individuals with diabetes can experience changes in their vision depending on their blood sugar levels. When blood sugar is high, vision becomes myopic, while low blood sugar leads to farsightedness. In some cases, antibiotics can trigger myopia. Some cases of myopia do not stabilize with age but continue to progress, eventually leading to blindness.
A complication of astigmatism is the condition known as amblyopia or lazy eye. Amblyopia is a condition that develops when an otherwise healthy eye stops developing, leading to vision loss. Early treatment is needed to correct amblyopia.
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