Clinical investigation on the effect of combined prism lenses for juvenile myopes control and prevention

VernacularTitle:使用棱镜式组合透镜防控青少年近视发展的临床观察
Author: Feng ZHANG ; Xiaoyu WANG ; Haifeng LU
Publication Type:Journal Article
Keywords: Lenses; Myopia; Adolescent
From: Chinese Journal of Primary Medicine and Pharmacy 2011;18(6):765-766
CountryChina
Language:Chinese
Abstract: Objective To investigate the effect of combined prism lenses for the treatment of juvenile myopes. Methods 622 cases of juvenile myopes ranging from - 1. 0D to - 5. 0D, aging from 6 - 18ages, were divided randomly into two groups. The control group(320 cases) wear general glass and the research group(302 cases) wear combined prism lenses. The juvenile myopes of both groups were checked their vision every 6 months and data were collected at the end of the fourth 6 months and analyzed by SPSS software. Results Ther eyes of increasing diopter in research group were 38(6.3%of all eyes) ,33 eyes were less than 1. 0D and 5 eyes were more than 1. 0D among them;but 294(46.0% of all eyes) in the control,201 eyes were less than 1.0D and 93 eyes were more than 1.0D among them. There were significant differences between two groups(P＜0.01). Conclusion Combined prism lenses for juvenile myopes (lower and middle) .compared with the common glass, had good clinical effect and it was a reliable and practicable method,to wear combined prism lenses for the treatment of juvenile myopes.