THEORETICAL EFFECT OF REFRACTIVE ERROR AND ACCOMMODATION ON LONGITUDINAL CHROMATIC ABERRATION OF THE HUMAN EYE

被引：13

作者：

ATCHISON, DA

SMITH, G

WATERWORTH, MD

机构：

[1] Centre for Eye Research, School of Optometry, Queensland University of Technology, Brisbane, QLD

[2] Department of Optometry, University of Melbourne, Melbourne

[3] Centre for Medical Physics, School of Physics, Queensland University of Technology, Brisbane, QLD

来源：

OPTOMETRY AND VISION SCIENCE | 1993年 / 70卷 / 09期

关键词：

ACCOMMODATION; AMETROPIA; AXIAL AMETROPIA; CHROMATIC ABERRATION; CHROMATIC DIFFERENCE OF FOCUS; LONGITUDINAL CHROMATIC ABERRATION; REFRACTIVE AMETROPIA; REFRACTIVE ERROR; SCHEMATIC EYE;

D O I：

10.1097/00006324-199309000-00006

中图分类号：

R77 [眼科学];

学科分类号：

100212 ;

摘要：

Simple formulas based on reduced eyes have been developed to predict the variation in longitudinal chromatic aberration with variation in ametropia or accommodation. Two formulas were developed, one for axial ametropia and one for refractive ametropia. The latter also served as a model for accommodation. The results using the formulas are in close agreement with results obtained using raytracing through more sophisticated models. Combining the results of different methods gives the following predictions of change in chromatic difference of focus, between wavelengths of 400 and 700 nm, with change in each diopter of refractive error or accommodation: axial ametropia 0.012 to 0.017 D (0.6 to 0.9%), refractive ametropia 0.05 D (2.2 to 2.4%), and accommodation 0.04 to 0.05 D (2.1 to 2.6%). The chromatic aberration effects of correcting lenses with low dispersion are intermediate in effect and opposite in sign to the effects of corresponding degrees of axial ametropia and refractive ametropia.

引用

页码：716 / 722

页数：7

共 18 条

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