Objective To evaluate the longitudinal chromatic aberrations （LCAs） of spherical， aspherical and toric intraocular lenses （IOLs） under polychromatic light based on a schematic eye. Methods Using Zemax software， a Hwey-Lan Liou schematic eye was set up and the LCAs of the Tecnis ZA9003 IOL， YA60BB IOL， SN60AT IOL and toric IOL were evaluated by the ray tracing method. Results The LCAs were 2.34 D for the toric IOL， 2.35 D for the SN60AT IOL， 1.57 D for the Tecnis ZA9003 IOL and 2.06 D for the YA60BB IOL. The higher Abbe number of the IOL means a lower LCA； SN60AT and T3， T4， T5 toric IOLs displayed the same LCAs. The LCA was larger for short wavelengths compared to long wavelengths. Conclusion The higher the Abbe number is， the smaller the LCA of the IOL. The LCA is the same for lower astigmatism toric IOLs and spherical IOLs.
杨欣,刘丹岩,张斌,杜颖华,郭从容,崔月先. 基于模型眼复曲面IOL纵向色差的评价[J]. 中华眼视光学与视觉科学杂志, 2015, 17(5): 288-291.
Yang Xin,Liu Danyan,Zhang Bin,Du Yinghua,Guo Congrong,Cui Yuexian. Optical performance of the toric intraocular lens based on a schematic eye. Chinese Journal of Optometry Ophthalmology and Visual science, 2015, 17(5): 288-291. DOI: 10.3760/cma.j.issn.1674-845X.2015.05.008
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