What … for? (Indications) Intraocular Lenses (IOL) IOLs are used at cataract or myopia –   Anterior chamber lenses Phakic (remaining natural lens). Refractive lenses are used for myopia, presbyopia and high hyperopia, if laser or corrective lens treatment is not done. –   Posterior chamber lenses Aphakic (no lens). Used at cataract, the replacement of the … Continue reading PATIENT INFORMATION: Eye Implants