Abstract
AbstractPurpose To assess the refractive error status in subjects with color vision deficiency (CVD) and color normal (CN) in order to make a contribution to a better understanding of emmetropization process.Methods A total of 4400 students were screened using a Ishihara pseudoisochromatic color vision plate set. One hundred and sixty students were detected to have CVD. Four hundred age and sex match were set as the control group. Objective refraction was performed to determine the refractive status of the subjects.Results The prevalence of myopia in CVD group was 7.7% that was significantly lower than CN subjects (13.9%). Furthermore, CVD group presented with lower prevalence of hyperopia (41%) in comparison with CN group (57.4%). In addition, CVD subjects were presented with lower magnitude of refractive error in comparison with NC.Conclusion Although lower prevalence of myopia support the theory of the role of Longitudinal chromatic aberration in refractive error development, lower prevalence of hyperopia in CVD group is in contrary with that. This Results indicated that longitudinal chromatic aberration is not the only factor that could influences the emmetropization process.
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