Weird phenomenon 1: people who should wear glasses don’t wear glasses Many parents are reluctant to give their myopic children glasses too early, thinking that wearing glasses will make myopia deepen, and once you wear glasses, you can never take them off, so you can try not to wear them. In fact, if myopic patients do not wear glasses in a timely manner, they are prone to visual fatigue, which affects learning; moreover, patients are often forced to squint in order to get clearer vision, and the long-term pressure on the upper and lower eyelids will elongate the front and rear diameter of the eye, prompting an increase in myopia. You can say that wearing glasses will not deepen myopia, but rather slow down the effect of myopia deepening. Strange phenomenon 2: people who should not wear glasses but wear glasses A 3-year-old child in kindergarten vision, the teacher found that his vision is only 0.6, they informed parents that the child may be amblyopic, quickly go to the hospital for examination. When he arrived at the hospital, the doctor found that the child was 200 degrees of hyperopia after a dilated eye exam and gave the child a pair of 200 degrees of hyperopia glasses …… After birth, the eye grows proportionally with the organs of the body. At birth, the horizontal diameter of the eye is not much different from that of an adult, but the vertical diameter (eye axis) is very short. The newborn’s eye axis is only 16 mm, the 3-week-old toddler’s eye axis is 19.5 mm, and it is not until the age of 18 that the normal adult eye axis length (23 mm) is reached. In other words, children are hyperopic (the eye axis is short and the image of external objects is focused behind the macula at the base of the eye). As age increases, the eye axis gradually lengthens and the refractive state gradually evolves toward orthokeratology. However, unfortunately, most parents, optometrists and even eye care professionals in many hospitals do not understand this knowledge and blindly give glasses to children with normal vision. I do not know, 3-year-old children should have been 200 degrees of farsighted, obviously normal eyes, but wear a farsighted glasses, do so is not the child to the direction of myopia push? Weird phenomenon 3: “myopia” before you think of “prevention” Nowadays, there is a common situation in China: either no goal to engage in universal prevention, or wait to find out that the child has become myopic, and then think of prevention. Myopia does not happen “suddenly” overnight. The main reason why parents are not aware of their children’s myopia is that most parents do not have the awareness to take their children to the hospital or professional optometry center for regular vision checkups, so they cannot detect their children’s vision problems at an early stage. The solution: Parents are encouraged to create a refractive developmental profile for their children. This is done by going to a professional optometric center for a holographic exam every 6 months, starting with children as young as 3 years old. Record the values of optometry, eye axis length, radius of corneal curvature, intraocular pressure, height, weight, etc. The establishment of refractive development files has three major benefits: one can be early detection of eye refractive abnormalities, such as high hyperopia, myopia, astigmatism and amblyopia, two can be early detection of infants and children with eye diseases; three can be in the normal vision of children, screening out myopic “blanks”. For example, an 8-year-old child should have 125-150 degrees of hyperopia and a visual acuity of 1.0. If the examination reveals that an 8-year-old child’s refractive state is 75 degrees of hyperopia or orthopia, it means that the child has a higher probability of becoming myopic in the future, and intervention measures must be taken in time to prevent the occurrence of myopia. Oddity #4: Misunderstanding the “nature” of myopia It is widely believed that the main cause of myopia is over-regulation of the ciliary muscles of the eye, and that by relaxing them, the development of myopia can be prevented. Studies over the past 30 years have found that there are very few myopes with excessive regulation, and even among adolescents with myopia (adolescents with strong ciliary muscle regulation), there are less than 5% with excessive regulation. In other words, the majority (more than 95%) of myopic patients have a functional state of sluggish or inflexible ciliary muscles, rather than over-regulation. Many of the products and measures currently on the market that claim to prevent myopia are designed to allow the ciliary muscle to relax. Again, the ciliary muscle function (over or under) of the person applying them is not measured prior to application. Unbeknownst to us, these products are only effective for less than 5% of over-adjusted people, and for the majority of people, this is not only ineffective, but may also “help” them become myopic faster, or make myopia deepen faster! Countermeasures: often do “to the eye” training can be effective in preventing myopia. In the 1960s, Professor AVitisov, director of the HeImhortz Eye Institute in Moscow, conducted an experiment in which 50,000 5-year-old children arrived at school five minutes early every day to practice “eye contact” (middle finger placed in front of both eyes, gradually leaning towards the nose, eyes always fixed on the finger), and another 50,000 children to control. After 10 years, the researchers were surprised to find that children who did not practice “eye contact” were 10 times more likely to have myopia than those who did! As a result, Professor Avitisov came to the conclusion that “myopia is not caused by over-regulation of the ciliary muscles, but by dysfunction and under-regulation”. Since then, a number of trials in Europe and the United States have also confirmed this view. This method is simple and easy to use, and its purpose is to exercise the flexibility of the ciliary muscles of the eyes, so you may wish to learn from it – the next. Many parents are afraid that their children will become “cross-eyed” if they often practice “eye contact”. In fact, this worry is not necessary, “cross-eyed” (medically known as internal strabismus) is not practiced, but the problem caused by the muscles and nerves that govern the movement of the eye itself. Weird phenomenon 5: prescription glasses to save time optometry “gross estimate” that optometry is a small matter, a little error is nothing, computerized optometry is fast and accurate, manual optometry is too much trouble …… under the misguidance of these ideas, many people wear inappropriate glasses, not only prone to visual fatigue, but also accelerate myopia The problem is that many people wear unsuitable glasses, not only are they prone to visual fatigue, but also accelerate the deepening and development of myopia. As we all know, optometry is mainly to check the refractive state of one eye. When you wear glasses, you are looking at the same object with both eyes, and you must get the best binocular monovision. Therefore, the prescription of lenses is not equal to the data of optometry, but must be correctly prescribed according to the visual function performance of both eyes, such as the state of eye position, the strength of adjustment function, and the axial axis of astigmatism. This is the essential difference between medical optometry and general optometry. In short, the fundamental purpose of medical optometry is to make patients wear glasses, not only to see clearly, but also to see comfortably. Of course, medical optometry is not the same as hospital optometry. In fact, many hospitals just hang their names but not the actual practice. You can judge whether medical optometry is “real” based on whether the following 5 tests are implemented. Preliminary judgment of optometry is “real” mainly have the following indicators: ① optometry; ② check eye position; ③ measurement of adjustment force; ④ do adjustment balance test; ⑤ check the astigmatism axial. Odd phenomenon 6: superstition “near prevention” products, ignore the “environment” to improve Many parents of children with myopia very much hope to find a fast, easy cure myopia method or drug. The myopia prevention products that are currently on the market are catering to this psychology of parents and are doing a brisk business. Comment: Is there really a panacea that can cure myopia? The answer is no! Because the causes of myopia are complex, comprehensive measures must be used to prevent and control, there are no shortcuts. To date, there is no drug or device that has been proven to cure myopia. Modern medicine has proven that genetics, perinatal care and poor environmental factors are the three major factors contributing to the development of myopia. In terms of realistic operability, interventions for the latter two, especially for adverse environmental factors, will help stop or delay the development of myopia. Unfortunately, many parents today prefer to spend a lot of money on various nutritional products and therapeutic devices, but do not know how to “lighten the load” of their children’s eyes and do not focus on improving the various adverse environmental factors that can easily harm vision, putting the cart before the horse. The solution: to prevent myopia, from the improvement of environmental factors to do. The specific measures include: 1, the mother more exercise, to give the baby a pair of healthy eyes. Nowadays, many mothers-to-be in the pregnancy, immediately “promoted” to “national treasure pandas”, household chores do not do, and some even do not even go to class, every day in addition to sleep, is to eat. I do not know, the mother exercise less will affect the baby’s eye development, easily lead to the baby’s eyes are not round (astigmatism), eye tissue is not strong enough (easy to expand, myopia) and other problems. 2, don’t let the baby too early, excessive use of the eye, because the baby’s eye wall is weak, too early, excessive use of the eye will promote excessive expansion of the eyeball, eye axis early elongation, laying the hidden danger for myopia. 3, do not let children in the strong light, dark room or shaking carriage to read books, schools for classroom lighting, tables and chairs transformation. 4, reading and writing posture should be correct, head is straight, eyes from the book 30 cm, fingertips from the tip of the pen 2 cm, do not lie on the bed, lying on the table to read books. 5.Participate in more outdoor activities, 1 physical education class per day. 6.Avoid prolonged fatigue of the eyes, continuous work or use of computers for 1 hour, should rest 10 to 1 5 minutes. 7. Do not order eye drops indiscriminately, so as not to endanger the eyes with the preservatives contained in them. Warm tip: incorrect pencil grip posture. Can also lead to myopia. The correct pen grip should be 2 cm from the pen tip, thumb, index finger and middle finger to the pen as a circle, respectively, 120 degrees apart, thumb and index finger do not touch each other to ensure that the line of sight is not blocked.