Combined transscleral fixation of an artificial iris prosthesis with an intraocular lens

ABSTRACT Post-traumatic aniridia combined with aphakia may be seen after globe injury. Aside from esthetic aspects, partial or total loss of the iris tissue may also be related to various degrees of glare and photophobia. Such patients suffer from severe visual impairment secondary to aphakia. Herein we describe a novel surgical technique for the management of an aphakic eye with traumatic aniridia for a patient who underwent transscleral fixation of a custom-tailored artificial iris prosthesis combined with a rigid intraocular lens (IOL). Tight suturing of the IOL haptic eyelets on the silicone iris prosthesis and fixation of such a complex to the scleral wall may provide excellent cosmetic and functional outcomes in aphakic eyes with aniridia.

摘要：眼球外伤后可出现创伤后无虹膜症（post-traumatic aniridia）合并无晶状体症（aphakia）。除美观方面外，虹膜组织部分或全部缺失还可引发不同程度的眩光（glare）与畏光（photophobia）。此类患者会因无晶状体症继发严重视力损害。本文针对1例创伤后无虹膜症合并无晶状体症的患者，介绍一种新型手术治疗方案：为其实施定制人工虹膜假体（custom-tailored artificial iris prosthesis）联合刚性人工晶状体（rigid intraocular lens，IOL）的经巩膜固定术（transscleral fixation）。将人工晶状体襻孔紧密缝合于硅胶人工虹膜假体，并将该复合结构固定于巩膜壁，可使合并无虹膜症的无晶状体眼获得优异的美观与功能预后。