Clinical Observation of Transepithelial Corneal Collagen Cross-linking by Iontophoresis of Riboflavin in Treatment of Keratoconus

Na Li， Zhengjun Fan， Xiujun Peng， Xu Pang， Chunyu Tian

Department of Ophthalmology，Navy General Hospital of Chinese PLA，Beijing 100048，China

Introduction

Materials and methods

Study subjects

Diagnosis and exclusion criteria

Surgical procedures

Preoperative examination and postoperative follow up

Statistical analysis

Figure 1 Corneal tonography before surgery

Figure 2 Corneal tonography at postoperative 6 months

Results

Time of electric current

Table 1 Clinical observation of transepithelial collagen cross-linking by iontophoretic delivery of riboflavin （means±s）

Comparison of clinical indications before and after transepithelial collagen cross-linking by iontophoretic delivery of riboflavin

Pain intensity and corneal reactions

Postoperative demarcation line depth

Discussion