Optical Performance in ReZoom and Array Multifocal Intraocular Lenses In Vitro

被引：11

作者：

Kawamorita, Takushi ^{[1
,2
]}

Uozato, Hiroshi ^{[1
,2
]}

Aizawa, Daisuke ^{[3
]}

Kamiya, Kazutaka ^{[3
]}

Shimizu, Kimiya ^{[2
,3
]}

机构：

[1] Kitasato Univ, Sch Allied Hlth Sci, Dept Orthopt & Visual Sci, Sagamihara, Kanagawa 2288555, Japan

[2] Kitasato Univ, Grad Sch Med Sci, Dept Ophthalmol & Visual Sci, Sagamihara, Kanagawa 2288555, Japan

[3] Kitasato Univ, Sch Med, Dept Ophthalmol, Sagamihara, Kanagawa 2288555, Japan

来源：

JOURNAL OF REFRACTIVE SURGERY | 2009年 / 25卷 / 05期

关键词：

PUPIL SIZE; MODEL; QUALITY; IMAGE;

D O I：

10.3928/1081597X-20090422-10

中图分类号：

R77 [眼科学];

学科分类号：

100212 ;

摘要：

PURPOSE: To investigate the modulation transfer function (MTF) of two refractive multifocal intraocular lenses (IOLs). METHODS: The ReZoom and Array (AMO) multifocal IOLs were evaluated using the OPAL Vector system (image Science Ltd) and a model eye with a variable aperture (2.1 to 5.5 mm). Modulation transfer functions were evaluated at distant, near, and intermediate (-1.50 diopter defocus) focus lengths. RESULTS: The ReZoom IOL distant focus MTF for a 5.1-mm effective diameter was higher than that of the Array IOL. At intermediate distance, the ReZoom lens showed a slight increase compared with the Array. The near focus MTF for the ReZoom IOL began to increase at an effective diameter of 2.1 mm and remained constant for diameters >3.45 mm. CONCLUSIONS: The ReZoom IOL gave better image quality than the Array, particularly at distant focus. To enhance near vision with the ReZoom lens, the desirable real pupil diameter should be at least 3.45 mm. [J Refract Surg. 2009;25:467-469.] DOI: 10.9999/1081597X-20090422-10

引用

页码：467 / 469

页数：3

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