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Editor’s note: The STAAR Surgical Company (Monrovia, CA, USA) produces an implantable Collamer lens (ICL). Collamer has been shown to be well tolerated within the eye, and these phakic intraocular lenses can be used to correct high degrees of myopia and hyperopia. The toric ICL can correct significant astigmatism. In this study, the investigators evaluated the outcomes of implantation of 50 V4 ICLs and nine earlier models to treat hyperopia of between +2.75 diopters (D) and +11.75 D (mean +5.78 D), with astigmatism of <1.00 D. These patients were considered unsuitable for laser refractive surgery, or had progressive hyperopia following radial keratectomy or laser-assisted
in situ keratomileusis (LASIK).