Innovative myopic correction cases rise
Print Edition
Local hospitals announced they are receiving an increasing number of students requiring the use of orthokeratology, a procedure that reduces problems such as myopia, hyperopia and astigmatism.
Orthokeratology is a creation of gas permeable contact lenses that temporarily reshapes the cornea. It can be used as an alternative to eyeglasses. After wearing orthokeratology at night, people don鈥檛 need to wear eyeglasses or contact lenses during the day.
鈥淥rthokeratology is a non-surgery method for myopic correction, which can control or postpone the development and deterioration of children鈥檚 myopia. But the effects shouldn鈥檛 be exaggerated,鈥 said Dr Lian Jingcai, president of Shanghai Xinshijie Eye Hospital. 鈥淚t is a medical appliance. There is strict requirement for orthokeratology use and patients should also receive regular checkups.
鈥淥nly licensed hospitals can provide the treatment. There are some unlicensed companies offering such service, which can impose injury to the eyes.鈥
The State Food and Drug Administration issued a notice after some cases of adverse reaction were reported to enhance the administration of orthokeratology. The notice said effects of orthokeratology were temporary, and reversible and required a scientific use and stringent requirement for disinfection and regular checkups. Lens fitting of orthokeratology is not a commercial or short-term activity but a professional service having a strict requirement for the qualification of the facility, staff and the equipment.
鈥淚n addition to going to a professional facility for check, optometry and trial, orthokeratology needs proper use every time and strict disinfection. Parents must monitor the whole process to ensure safety and effects,鈥 Lian said. 鈥淲hen the child has fever, cold and diarrhea, orthokeratology shouldn鈥檛 be used.鈥
Experts said the key to prevent and control children鈥檚 myopia is to reduce long-term academic study and use of electronic devices like smartphone, computer and iPad. 鈥淔atigue of eyes is the reason for myopia. A proper and scientific schedule of academic study and entertainment and at least one-hour outdoor exercises are important for myopia control and prevention.鈥
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