Clinical Efficacy of Toric Orthokeratology in Myopic Adolescent with Moderate to High Astigmatism

Ming Luo， Shengsheng Ma， Na Liang

Department of Ophthalmology， Guangzhou Red Cross Hospital， the Fourth Affiliated Hospital of Jinan University Medical College， Guangzhou 510220，China

Introduction

Subjects and methods

Study subjects

Table 1 Patients'data during the first visit（mean ±SD； n＝42）

Methods

Statistical analysis

Results

Figure 1 Corneal topography before lens wear

Figure 2 Corneal topography at 3 months after lens wear

Figure 3 Fluorescent images of conventional ORTHO-K

Figure 4 Fluorescent images of toric design ORTHO-K

Table 2 Comparison of AL before and after ortho-k（means±s， mm）

Figure 5 Changes in UCVA before and after ortho-k

Figure 6 Changes in residual refractive power before and after ortho－k

Figure 7 Changes in corneal astigmatism before and after ortho-k

Discussion

Limitations

Conclusions