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China has a high prevalence of myopia, with rates increasing annually. This is particularly true among adolescents, where myopia incidence is high and progression is common.Myopia not only causes inconvenience and health issues for patients but also imposes significant financial burdens on individuals and families. To control myopia, doctors and parents are exploring every possible corrective method for children. Internationally, orthokeratology is recognized as the most effective method for controlling myopia.
Contact lenses worn within the past year
As a means of controlling myopia, orthokeratology has seen increasingly widespread application in recent years and is gaining popularity among children and parents alike.However, the strict follow-up schedule and regular lens replacement requirements associated with orthokeratology lenses have caused difficulties for some parents. Some parents find the regular check-ups too troublesome and wish to skip or reduce them. Others question the necessity of replacing lenses when the expiration date arrives, arguing that their child feels no discomfort and sees clearly, suggesting replacement might be unnecessary.
Some parents have expressed concerns to doctors, noting that their children have worn orthokeratology lenses for several years without strictly adhering to the recommended follow-up schedule or lens replacement. One pair of lenses has been worn for nearly three years without replacement. These parents wonder if their children's lenses could be used for several more years before replacement, believing this would be more cost-effective.
Lenses worn for two years
While parents' financial concerns are understandable—orthokeratology lenses do cost more than regular glasses—this approach is scientifically inadvisable from health and safety perspectives. The effectiveness of orthokeratology hinges on two critical factors: whether the fitting facility and personnel possess qualified expertise, and whether follow-up care and maintenance adhere to scientific standards.Professional standardization, enhanced practitioner competence, and strict adherence to care protocols can prevent serious complications.
Contact lenses worn for over a year with long fingernails
The longer lenses are used, the higher the risk of adverse reactions. Lens wear, deposits, bacterial colonization, and deformation can all adversely affect eye health.In recent years, a general consensus has emerged that lenses should be replaced approximately every 1 to 1.5 years. Overly prioritizing economic or other factors to extend the usage period increases the risk of complications for children.
In fact, developed countries already require annual lens replacement: The American Academy of Orthokeratology and Myopia Control (AAOMC) and the European Orthokeratology Society (EUROK) recommend considering annual replacement based on patient follow-up results to ensure eye health.Therefore, how often should orthokeratology lenses be replaced? To be cautious, it's best to replace them annually, with a maximum interval not exceeding 1.5 years.