Abstract
Objective To investigate the relationship between the nearwork oculomoter functions and the myopia progression in myopia juveniles. Methods 28 students were followed up and visited for 8 to 19months and their oculomoter functions such as heterophoria,the response AC/A ratio,negative relative accommodation,positive relative accommodation,accommodative lag and accommodative amplitudes were measured and analyzed. Results The response AC/A ratio,accommodative hysteresis and accommodative amplitudes were correlated with the annual myopia progression; and the Pearson's correlation coefficients (-0.416,-0.495 and -0.463 respectively) were significant at the 0.05 level. A scatterplot indicated that there was a linear relationship between the accommodative lag and the annual myopia progression;these variables were still negatively correlated while controlling for the effects of the response AC/A ratio (r=-0.383 ,P <0.05). Conclusion High accommodative lag in the nearwork maybe one of the reasons lead to myopia progression. Key words: myopia; Oculomoter function; response AC/A ratio; accommodative lag; accommodative amplitude ; Nearwork; Follow up
Published Version
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