Abstract
BackgroundSecondary iris cysts are uncommon complication after cataract surgery. The reports of an iris cyst after conventional phacoemulsification surgery are scanty, let alone the iris cyst following femtosecond laser-assisted cataract surgery (FLACS). We herein report an unusual case of an iris cyst after an uneventful FLACS.Case presentationA 64-year-old man who was healthy underwent FLACS for a moderate cataract of his left eye. Shortly after surgery, he achieved 20/20 vision, but anterior bowing of temporal iris was noted on postoperative day 9 with a retro-pupillary iris cyst at temporal-inferior quadrant found after pupil dilatation. The cyst was confirmed by ultrasound bio-microscopy afterward. Four weeks later, argon laser cystotomy was performed, and the cyst disappeared 3 days later. The patient’s vision remained stable thereafter.ConclusionAlthough rare, secondary iris cyst may be one of the complications after FLACS. Argon laser cystotomy is effective in the management of post-FLACS iris cyst.
Highlights
Secondary iris cysts are uncommon complication after cataract surgery
Secondary cysts can be implantation cysts, originating by an invasion of conjunctival or corneal epithelial cells following surgical trauma or a penetrating wound [2]. These secondary iris cysts are thought to be the complications of large corneal incisions during surgeries, for instance, extra-capsular cataract extraction (ECCE), intra-capsular cataract extraction with vitreous loss (ICCE + Intra-capsular cataract extraction with vitreous loss (VL)), and penetrating keratoplasty [3]
The pathogenesis of secondary cysts is that conjunctival or corneal epithelial cells invade into the anterior chamber following surgical trauma or a penetrating wound [2]
Summary
Secondary iris cysts are uncommon complication after cataract surgery. The reports of an iris cyst after conventional phacoemulsification surgery are scanty, let alone the iris cyst following femtosecond laserassisted cataract surgery (FLACS). Secondary cysts can be implantation cysts, originating by an invasion of conjunctival or corneal epithelial cells following surgical trauma or a penetrating wound [2]. There is no report of secondary iris cyst after FLACS. Even in CPE, only 2 cases of iris cyst following CPE have been reported [6, 7].
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