Relative Myopic Defocus in the Superior Retina as an Indicator of Myopia Development in Children

• DOI: 10.1167/iovs.64.4.16
• Publication Date: 2023-04-14T13:30:51Z
• Authors: Zhenghua Lin; Xiaoyun Xi; Longbo Wen; Zhiwei Luo; Pablo Artal; Zhikuan Yang; Weizhong Lan
• Keywords: Emmetropia

Purpose: To investigate the role of peripheral refraction in children's myopization. Methods: This 2-year study included 214 children (8–15 years old). Refraction across retina (field view: 60° × 36°) was measured with a custom-made aberrometer every year. Three datasets were established: dataset 1, subjects from baseline to first-year visit; 2, 152 second-year and 3, 59 initial emmetropes visit. The different regions correlated central myopic shift, compared among groups levels shift. Results: In 1 distribution significantly who initially but not those hyperopic or myopic. vertical retina, especially superior (r = −0.5, P < 0.001), shift for that more relative myopia manifested greater shifts. 21 remained emmetropic after 2 years, 15 became at 1-year visit, 23 No difference found all between stage prior onset myopia. Conclusions: Relative defocus could be predictor Changes are likely consequence progression rather than cause.