Is it good to apply heat to the eyes every day for myopia?

Written by Wang Hui Zhen

Ophthalmology

Updated on May 11, 2025

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Applying heat to the eyes every day cannot control myopia, but it can slightly relieve eye fatigue, dryness, and other discomforts. Myopia occurs when parallel rays of light enter the eye and focus in front of the retina through the eye's refractive system, failing to form a clear image on the retina.

If myopia is pseudomyopia, it might recover through rest, relaxation, and pupil dilation. However, if it progresses to true myopia, it becomes irreversible and incurable; vision can only be corrected and its progression controlled. Before the age of 18, myopia can be corrected with glasses or orthokeratology lenses. After turning 18, corrective surgery for myopia might be an option. It is advised that adolescents and children actively control the progression of myopia.

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Written by Zheng Xin

Ophthalmology

49sec

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The difference between amblyopia and myopia.

Amblyopia refers to a condition where, through examination, the eyeball has no organic lesions, but the vision is poor. Even after correction, the vision remains significantly lower than normal, generally less than or equal to 0.8, without any organic lesions in the eyeball. In such cases, amblyopia can be considered. Myopia, on the other hand, refers to poor vision that can reach normal or better levels after correction. The difference between the two is that amblyopia cannot be fully corrected through adjustment, whereas myopia can be completely corrected. In terms of treatment, myopia can be corrected by wearing glasses or undergoing surgery, while amblyopia can only be managed by wearing glasses or undergoing specific amblyopia treatments.

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Written by Peng Xi Feng

Ophthalmology

1min 8sec

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The main cause of myopia formation

Myopia is primarily caused by the focusing system of the eyeball focusing parallel light rays in front of the retina when our eyes are in a relaxed adjustment state. The far point of a myopic eye is at a certain point in front of the eye. The occurrence of myopia is influenced by a combination of factors including genetics and environment, and the incidence is still being explored. Based on the refractive components, myopia can be classified into refractive myopia and axial myopia. According to the degree of myopia, it can be classified into mild myopia (below 300 degrees), moderate myopia (300 to 600 degrees), and high myopia (above 600 degrees). The clinical manifestations of myopia include blurry distance vision but good near vision, often with fluctuating distance vision where squinting is needed to see clearly at a distance.

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Written by Deng Jiang Tao

Ophthalmology

38sec

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Where is the incision made for nearsightedness surgery?

Firstly, myopia surgery essentially involves thinning the cornea by cutting it, which is like transferring the degree of myopia onto the cornea itself. Let's first talk about the layering of the cornea. From front to back, the cornea is divided into five layers, generally consisting of the epithelial layer, anterior elastic layer, stromal layer, posterior elastic layer, and the corneal endothelial layer. Among these layers, the stromal layer is the thickest, about 500 microns, accounting for over 90% of the total corneal thickness. Therefore, during myopia surgery, the main area of cutting is in the stromal layer of the cornea.

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Written by Li Zhen Dong

Ophthalmology

42sec

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Can eye fatigue lead to nearsightedness?

Myopia is characterized by clear vision up close but blurry vision at a distance, primarily caused by changes in the eye's axial length. Several factors contribute to the development of myopia: first, hereditary factors; second, inappropriate use of eyes, such as prolonged usage leading to eye fatigue, which can worsen the degree of myopia. Typically, the development of myopia occurs under the age of 20. After 20, there shouldn't be further development; if there is, it is referred to as pathological myopia. Therefore, it is important for patients with myopia or eye fatigue to use their eyes correctly, reduce close-up activities to avoid eye strain, and have regular check-ups to monitor their vision.

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Written by Lian Wen Xi

Pediatrics

51sec

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Can children's myopia be corrected?

Myopia in children can be corrected, but this correction simply brings the child's vision to a normal level and does not mean that true myopia can be reversed. Myopia can be divided into true myopia and false myopia. False myopia can be restored to normal vision through appropriate rest and a series of relieving recoveries. However, if diagnosed with true myopia, there is currently no method available to reduce the degree of myopia and restore the child's normal vision. Moreover, once true myopia occurs, it will not stop and typically increases every year until the child reaches adulthood, when it gradually stops. Therefore, before the child reaches adulthood, it is worth considering using methods such as wearing glasses and developing good eye habits to control the increase in the child's degree of myopia and to achieve the purpose of correcting the child's vision.