Relationship between Refractive Error and Ocular Biometrics in Twin Children：the Guangzhou Twin Eye Study

Decai Wang， Bin Liu， Shengsong Huang， Wenyong Huang， Mingguang He

Zhongshan Ophthalmic Center， Sun Yat-sen University， Guangzhou 510060， China

Introduction

Materials and methods

Sample collection

Clinical examination

Definition and statistical methods of refractive error

Results

General data

Relationship between refractive error and ocular biometrics

Figure 1 Changes in refraction with aging

Figure 2 Changes in axial length with aging

Figure 3 Changes in ACD with aging

Figure 4 Changes in corneal curvature radius with aging

Figure 5 Lowess curve for spherical equivalent and axial length

Discussion

Table 1 Multiple linear regression analysis of factors influencing refractive error

Conclusion