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"At that time, I still had some doubts about the effect of orthokeratology lenses, but after seeing the effect of controlling myopia, I often felt fortunate that she was equipped with orthokeratology lenses before she developed into high myopia, and the eye axis has increased 0 in the past 3 months!" 12-year-old Shishi wore orthokeratology lenses for 3 months and then went to the hospital for a re-examination, and Shishi's mother sighed in the face of the examination results.
"Small glasses" are replaced with "orthogonal lenses" to control the rapid growth of myopia
Shishi, who has just entered junior high school, has been myopic for three years, during which she has never been to an eye hospital for a systematic examination, and has been wearing ordinary glasses.
When Shishi complained again that she couldn't see clearly, this attracted the attention of her parents and took her child to Hengyang Aier Eye Hospital for treatment. The examination results showed that Shishi's left eye was 375 degrees, her right eye was 550 degrees, and she was about to become highly myopic after three years of myopia.
"After the average annual growth of teenagers after myopia is about 50 degrees to 75 degrees, 12-year-old children have 550 degrees of myopia, which is a myopia degree that grows too fast, and parents need to pay enough attention!" Zhou Yuanxiang, director of Hengyang Aier Pediatric Ophthalmology and Optometry, said that 300-600 degrees is moderate myopia, at this time the naked eye vision has decreased significantly, and the growth and development of the eyes generally will continue until about 18 years old.
Once high myopia is formed, it will also have many impacts on daily life and learning, and even various fundus lesions will occur, causing irreversible damage to the health of the eyes.
Seeing the child's myopia growing so rapidly, Shishi's mother was very worried. "For most children, ordinary glasses have been difficult to control the growth of prescription, and at present, it is recognized as a very effective way to effectively control the development of myopia and prevent children from developing into high myopia, which is to scientifically prescribe orthokeratology lenses. Director Zhou Yuanxiang suggested.
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After learning that orthokeratology lenses can not only effectively control the growth of myopia, but also allow children to have clear naked eye vision during the day without wearing ordinary glasses, Shishi's mother let her children be fitted with orthokeratology lenses in Hengyang Aier.
After three months of wearing glasses, the doctor was pleasantly surprised to find that Shishi's axial vision was 0 increased! Axial changes are a rigid standard for evaluating the changes in myopia.
It is understood that orthokeratology lens is a rigid gas permeable contact lens with inverse geometric design, which flattens the curvature of the central area of the cornea by applying physical pressure to the cornea, resulting in a micron-level "concave lens".
This "concave lens" can change the focus of light, so that the focus that was originally imaged in front of the center of the retina is moved to the retina, so that the vision can be clear, so that the myopic child can temporarily have normal naked-eye vision.
Moreover, the refractive power around it is much larger than that of the center, which can focus the peripheral light in front of the retina, showing a myopic defocus state, thereby slowing down the growth of the eye axis and playing a role in controlling myopia.
It is worth noting that since orthokeratology lenses belong to the three categories of medical devices explicitly approved by the state, not every child is suitable for use, parents should go to a professional eye hospital, and the ophthalmologist and professional optometrist can only wear it after a series of strict eye examinations and fitting.
Myopia is irreversible, when a child is found to be myopia, he should intervene as soon as possible to avoid becoming high myopia, choose scientific methods to control the intervention, review regularly, and remember the doctor's instructions.
If you find that your child's glasses are not suitable, you should re-prescribe your glasses in time, otherwise the myopia will worsen more rapidly. If your child's myopia progresses too quickly, parents can consider getting orthokeratology lenses to delay the progression of myopia.
Hunan Medical Chat Special Author: Liu Yinhui, Hengyang Aier Eye Hospital
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(Editor YH)