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The current state of corneal reshaping
Jeffrey J Walline1, Brien A Holden, Mark A Bullimore
1The Ohio State University College of Optometry, The Vision Cooperative Research Centre, OH, USA.
Eye & Contact Lens
|September 16, 2005
Summary
Corneal reshaping contact lenses temporarily reduce myopia by altering cornea shape during sleep. Further research is needed to confirm myopia control and assess infection risks, especially in children.
Area of Science:
- Ophthalmology
- Optometry
- Corneal Physiology
Background:
- Orthokeratology, also known as corneal reshaping or corneal refractive therapy, utilizes specialized contact lenses worn during sleep.
- Modern advancements in materials and design have significantly improved the predictability and efficacy of myopia reduction.
Purpose of the Study:
- To review existing knowledge on corneal reshaping contact lenses.
- To identify knowledge gaps crucial for informed patient consent regarding myopia reduction and potential risks.
Main Methods:
- Literature review of current research on orthokeratology.
- Analysis of the effectiveness and safety of corneal reshaping contact lenses.
Main Results:
- Corneal reshaping effectively reduces myopia temporarily through changes in corneal epithelial and stromal thickness.
- Evidence for long-term myopia control is lacking; further peer-reviewed studies are required.
- The incidence and prevalence of microbial keratitis associated with this wear, particularly in children, remain unknown.
Conclusions:
- Practitioners require ongoing education on safety, informed consent, and problem prevention.
- Thorough lens disinfection is critical for overnight wear to minimize infection risks.
- Further investigation into the specific risks of microbial keratitis for pediatric patients is essential.