How to relieve headaches caused by astigmatism in the eyes?

Written by Zheng Xin
Ophthalmology
Updated on September 06, 2024
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Eyestrain and headache can be understood in two senses: First, if one experiences astigmatism when viewing objects, accompanied by headaches and eye pain, it is possible that glaucoma is present. This condition is also associated with increased eye pressure and swelling pain in the eyes. If this is the case, treatment to lower eye pressure and treat glaucoma is necessary. The second meaning involves astigmatism identified through an eye examination, indicating a refractive error. If the astigmatism correction in the glasses worn is not suitable, prolonged viewing can lead to visual fatigue, eye pain, and accompanying headaches. In this case, a detailed eye examination followed by wearing appropriate glasses is needed to alleviate the symptoms.

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Written by Tao Yuan
Ophthalmology
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Can astigmatism be cured by wearing glasses?

Astigmatism cannot be completely cured by wearing glasses. Astigmatism is a common eye disease and a type of refractive error, usually caused by congenital developmental abnormalities. Some patients' astigmatism is related to poor eye habits, such as squinting for long periods, which can lead to astigmatism. The cornea of people with astigmatism has different refractive powers in the vertical and horizontal directions. Therefore, when light passes through the cornea and enters the eyeball, it cannot converge to form a perfect focus, causing the images projected on the retina to become blurry, and the patient will experience a decrease in vision. By conducting an optometric examination, the exact degree of astigmatism and the axis of astigmatism can be determined, and then corrected by wearing glasses. However, the purpose of correction is to improve the patient's vision, and it cannot eliminate the degree of astigmatism.

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Written by Hu Shu Fang
Ophthalmology
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Can contact lenses correct astigmatism?

Contact lenses can be prescribed with a certain degree of astigmatism correction. If the astigmatism is less than 100 degrees, it can be converted into half of the spherical degree to create a prescription, and standard contact lenses can be worn to see clearly. If the astigmatism is greater than 100 degrees but less than 300 degrees, it is necessary to first prescribe sufficient spherical degree, then determine the astigmatism's axis and degree, and manufacture special astigmatic contact lenses. Wearing these can be more comfortable and provide clearer vision. Generally, very high degrees of astigmatism cannot be corrected with contact lenses, and wearing frame glasses is required instead.

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Written by Wu Ben Rong
Pediatrics
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What will happen if children's astigmatism is not treated?

If children with astigmatism do not receive treatment, the specific consequences will depend on the severity of the astigmatism. If a child has only mild astigmatism and does not exhibit any other clinical symptoms, treatment might not be necessary, and it will not impact the child's vision. However, if the astigmatism is severe, it is necessary to wear corrective lenses for astigmatism; otherwise, it may lead to a decrease in both far and near vision. This is especially true for compound and mixed astigmatism, which can cause a significant decline in a child's vision, and often results in visual fatigue. Children may exhibit symptoms such as eye pain, orbital pain, monocular diplopia, or tearing. Additionally, there may also be occurrences of compensatory head tilting and torticollis.

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Written by Li Zhen Dong
Ophthalmology
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Can pseudomyopia cause astigmatism?

Pseudomyopia generally does not involve astigmatism. Pseudomyopia is caused by ciliary muscle spasm, while astigmatism is due to changes in the curvature of the cornea, or changes in the eyeball itself; these two are not the same. Pseudomyopia can be completely cured with proactive treatment, adequate rest, reducing close-up activities, avoiding eye fatigue, and using eye drops that alleviate ciliary muscle paralysis, such as low-concentration atropine eye drops and digoxin eye drops. If not treated actively, prolonged pseudomyopia can turn into true myopia. True myopia involves elongation of the eye axis, leading to blurred distance vision but clear near vision. Therefore, when this occurs, a proper dilated refraction test should be conducted. (Medication should be used under the guidance of a physician.)

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Written by Li Zhuo
Ophthalmology
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Can children with astigmatism undergo laser surgery?

Firstly, laser surgery is generally performed after the age of 18, as people's eyes continue to grow. This means that just like when a person stops growing taller, the eyes also stop growing at a certain age. If laser surgery is performed too early, while the eyes are still growing, the results may regress over time. Therefore, astigmatism in children should only be addressed after they reach adulthood, usually after the age of 18, but we generally recommend waiting until after the age of 21. Additionally, if the progression of the eye prescription is less than 50 to 100 degrees per year, the surgery outcomes are more likely to be stable. Generally, laser surgery is primarily used for myopia, which pertains to issues with seeing distant scenes, whereas astigmatism, which generally affects horizontal vision, is usually not corrected through laser surgery.