What foods should be eaten for astigmatism?

Written by Wang Fang

Ophthalmology

Updated on September 03, 2024

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For astigmatism, it is important in daily life to consume a diet rich in proteins, vitamins, and carotenes, such as meat, eggs, dairy, various fresh fruits and vegetables, and carrots. It is advisable to avoid spicy and irritating foods.

If astigmatism occurs, it is important to visit a hospital for an optometric examination promptly. If there is significant astigmatism, it should be corrected with glasses based on a medical optometric examination, as uncorrected astigmatism can lead to severe eye strain over time.

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Written by Wang Fang

Ophthalmology

47sec

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Will astigmatism cause the pupils to enlarge?

Astigmatism of the eye is a type of refractive error caused by an uneven curvature of the cornea's surface, resulting in different refractive powers along different axes. Once astigmatism occurs, particularly with a high degree of astigmatism, there can be a noticeable decrease in vision, distortion in sight, or in severe cases, significant eye fatigue. However, it generally does not lead to pupil dilation. Pupil dilation is caused by the paralysis of the ciliary muscle due to internal and external factors, resulting in enlarged pupils. Therefore, if symptoms of astigmatism appear, it is advisable to visit a hospital promptly for accurate diagnosis and appropriate treatment.

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Written by Zheng Xin

Ophthalmology

47sec

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How to relieve headaches caused by astigmatism in the eyes?

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 Wang Hui Zhen

Ophthalmology

1min 34sec

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Can astigmatism and strabismus be corrected?

Astigmatism and strabismus can sometimes be corrected, depending on their severity. Astigmatism refers to the condition where parallel light rays entering the eye cannot focus on a single point on the retina after being refracted by the eye's optical system, instead forming two focal lines, ultimately failing to produce a clear image on the retina. Astigmatism can be categorized into regular and irregular types. Regular astigmatism can be corrected with cylindrical lenses in eyeglasses; while irregular astigmatism generally requires correction with contact lenses. Additionally, after reaching 18 years of age, astigmatism can also be corrected through refractive surgery. Generally, mild astigmatism does not impact vision and does not require special treatment; however, moderate to severe astigmatism, if uncorrected, might lead to amblyopia and other vision impairments. Strabismus means that when one eye is focusing, the visual axis of the other eye deviates from being parallel, presenting an abnormal eye position. It is generally recommended to start treatment immediately after diagnosing strabismus. If there is significant refractive error, glasses should be prescribed first. If glasses cannot correct the condition, surgery might be necessary.

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Written by Tao Yuan

Ophthalmology

1min 2sec

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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 Tao Yuan

Ophthalmology

51sec

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Can you wear contact lenses with 200 degrees of astigmatism?

Astigmatism of 200 degrees or less can be corrected by wearing regular contact lenses. However, when purchasing lenses, one needs to divide the astigmatism diopter by two and incorporate it into the prescription for myopia during the fitting process. If a patient's astigmatism exceeds 200 degrees, they typically are not suitable for regular contact lenses. Instead, they may opt for custom contact lenses with astigmatism correction or use rigid corneal contact lenses for correction. Patients with astigmatism should promptly visit an ophthalmology department at a hospital for an optometry examination to accurately determine their astigmatism and undergo vision correction tests. Following this, a doctor will issue a prescription for fitting contact lenses.