There are two types of myopia: false and true. False myopia is the most common in children and is also called accommodative myopia. The vision of false myopia is unstable. The main causes of false myopia are frequent unscientific use of the eyes, lack of vitamin D, light and color stimulation, etc. 1. What are the characteristics of pseudomyopia? 1. Far vision is lower than near vision. 2. Unstable vision: Since pseudomyopia is caused by abnormal accommodation reaction, when you switch from near to far, the accommodation is in a process of gradual relaxation, and the vision may improve, but it may deteriorate again when you look at close objects again. 3. All currently used therapies are effective during treatment, but vision may deteriorate after stopping treatment. 4. Because teenagers have stronger accommodation ability, they are prone to pseudomyopia, but it may also occur in a small number of middle-aged people who engage in near-sighted work. As people age, the adjustment reaction time gradually increases. Elderly people with emmetropia may also develop temporary myopia when they suddenly look far away after looking at something close. Some people call this physiological pseudomyopia. 2. How does pseudomyopia occur? 1. Long-term unscientific use of eyes: When children or adolescents read or write, the distance between their eyes and the book or words is often within 33 cm. Their viewing angle is not at a 90-degree angle to the table (or paper) or they read while lying down, which can cause pseudomyopia. In addition, not paying attention to rest after using the eyes for a long time or poor lighting when studying can also cause pseudomyopia. 2. Lack of eye nutrition: Many children and adolescents are picky eaters and do not often eat vegetables, fruits, soy products, whole grains and other foods. This habit can lead to a lack of vitamin A, vitamin B1, vitamin B12, vitamin C, vitamin E and vitamin D in their bodies, as well as chromium, calcium, zinc and other elements, making them susceptible to pseudomyopia. 3. Excessive stimulation by light and color: If children and teenagers often go to game halls, dance halls and other entertainment venues or surf the Internet for a long time, their eyes will be exposed to physical and chemical stimulation such as light and color in these venues, making them susceptible to pseudomyopia. 4. Failure to promptly treat refractive amblyopia: Some children or adolescents with refractive amblyopia may also develop pseudomyopia if they are not treated properly. |
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