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A case of improved visual acuity and contrast sensitivity after multifocal-to-monofocal intraocular lens exchange in a patient with epiretinal membrane Maiko Kuno 1,2 , Yoshihiko Iida 1 , Yukako Yokozeki 1 , Masahide Takahashi 3 , Nobuyuki Shoji 1 1Department of Ophthalmology, Kitasato University School of Medicine 2Sanno Eye Center 3Daikanyama Eye Clinic Ebis pp.307-312
Published Date 2026/3/15
DOI https://doi.org/10.11477/mf.037055790800030307
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Abstract Purpose:We report a case of improved corrected visual acuity and contrast sensitivity following the explantation and exchange of a multifocal intraocular lens(IOL) in a patient with an epiretinal membrane(ERM).

Case:A 67-year-old man was referred to our hospital for persistent postoperative visual impairment 3 weeks after undergoing phacoemulsification and multifocal IOL implantation in the right eye at another clinic. Preoperative visual acuity in the right eye was 0.08(1.0−6.25D()cyl−1.75D 10°). On initial examination at our hospital, the uncorrected and corrected visual acuities were 0.1 and 0.7(+3.75D), respectively, indicating a significant refractive error and decreased best-corrected vision.

 Although the multifocal IOL was well centered and stable within the capsular bag, fundus examination revealed a leopard-spot pattern and an ERM in the macular region. Contrast sensitivity was reduced in both eyes. The multifocal IOL was suspected to contribute to decreased visual function in the right eye, particularly because of the ERM.

Course:Considering the possibility that the multifocal IOL exacerbated visual impairment, it was explanted and replaced with a monofocal IOL. Postoperatively, the patient showed improvements in visual acuities(uncorrected:0.15) and(corrected:1.2[−2.50D]) and contrast sensitivity.

Conclusion:The use of multifocal IOLs in eyes with pre-existing ERMs may result in further deterioration of visual function. Thus, careful patient selection and consideration of the retinal pathology are essential when choosing multifocal IOLs.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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