Acute clouding of hydrophilic acrylic copolymer intraocular lenses:four cases report

Abstract Background: Intraoperative acrylic intraocular lenses (IOLs) transient clouding of several kinds of hydrophilic IOLs have been reported due to temperature changes. However, we ignored the particularity of its material and the handling methods. Case presentation: We present four cases of acute clouding of hydrophilic acrylic intraocular lenses (IOLs). Four patients underwent phacoemulsification cataract surgery with implantation of L-312, 809M, and 839M IOLs, respectively. The IOLs became opaque in varying degrees during surgery. Lens replacement was performed immediately in one case, while the cloudy IOLs were remained in the other three cases. Postoperatively, all IOLs recovered transparency. Conclusions：Temperature fluctuation was the cause of the acute opacification of these IOLs made of hydrophilic acrylic copolymers, which reminds us of attaching importance to the temperature of IOL storage and delivery in winter months. Keywords: Opacification, transient, temperature, material, cataract.