Study on wearing compliance and related factors after orthokeratology

Objective To study the compliance of lens wearing and its related factors in patients ongoing orthokeratology.Design Retrospective case investigated research.Participants Clinical data of 470 patients(911 eyes) ongoing orthokeratology from Feb 1999 to Apr 2005.Method Patients with orthokeratology were reviewed to study the compliance of lens wearing as well as to investigate the reasons of doing orthokeratology,onset time,time of cease,corrective method replacing with orthokeratology.Main Outcome Measures Wearing reasons,onset time,cease time,cease reasons,correct method after cease wearing.Results 23% of patients ongoing orthokeratology aimed to increase unaid visual acuity,14% of patients for controlling myopia development,48% for passing special visual exam,15% for reducing the degree of myopia.283 patients with orthokeratology ceased wearing lens,99 patients in 3 months,28 patients in 6 months,42 patients in 1 year,98 patients in 2 years and 16 patients more than 2 years.The corrected methods for myopia replacing orthokeratology including spectacles(181 cases,64.0%),RGP lens(46 cases,16.3%).Conclusion The compliance of wearing orthokeratology lens is effected by reasons of choosing orthokeratology,success of wearing,report of media.