ObjectiveTo evaluate the therapeutic effect of vitreo-retinal surgery on oclular siderosis. MethodsThe clinical data of 22 patinets (22 eyes) with ocular siderosis due to the magnetic foreign body at intraocular postsegment were retrospectively analyzed. The patients aged from 6 to 54 years (average 40 years), including 21 males and 1 femal. The duration of the magnetic foreign body remained in the eye lasted for 1 month to 20 years. The preoperative best corrected visual acuity (BCVA) was <0.01 in 15 eyes, 0. 01-0. 15 in 5 eyes and 0.1-0.2 in 2 eyes. There was Intra-vitreous foreign body in 18 eyes and ocular wall embedded foreign body in 4 eyes; intraocular foreign body (IOFB) combined with cataract in 18 eyes; combined with retinal detachment in 3 eyes; scleral buckling combined with silicon oil filled in 12 eyes and C3F8 filled in 7 eyes.Cataract extraction was performed in 12 eyes, and 2 eyes underwent filtrating surgery. ResultsThe IOFB was successfully removed by one-off surgery in 22 eyes. BCVA increased in 20 eyes (90.9%) and kept unchanged in 2 eyes (9. 1%), including<0.1 in 7 eyes, 0. 1-0.4 in 8 eyes, and 0.5-1.0 in 7 eyes. Operative complications involved retinal holes with retinal detachment in 2 eyes and vitreous haemorrhage secondary to enlarge sclera incision in 2 eyes.Postoperative complications included secondary cataract in 4 eyes, retinal detachment due to silicon oil removal 3 months after submacular removal of foreign body in 1 eye, and retinal detachment 7 days after C3F8 filling in 1 eye; the latter two eyes had reattached retina after another silicon oil filling. At the end of the follow-up period, retina reattached in 22 eyes. ConclusionAdvanced modern vireo-retinal operation is ffective on oclular siderosis, which can avoid the release of Fe+ and improve the patients' visual function.

Objective To evaluate the efficacy and safety of modified intracystic ethanol irrigation for traumatic iris cyst eyes.Methods A retrospective analysis was designed.Twelve cases of traumatic iris cyst patients were observed from August 2016 to August 2018 in Xiamen Eye Centre of Xiamen University.After anterior chamber filled with DisCoVisc,cyst fluid was drained gently via a 30-gauge needle,and ethanol was irrigated into the cyst through 3-way T-extension until the cyst wall turned white.DisCoVisc was washed in the end.Patients were followed for cornea and anterior chamber condition,best-corrected visual acuity (BCVA),intraocular pressure (IOP) and endothelial cell density (ECD).The diameters of maximal length and width in maximal cross-sectional area were calculated by ultrasound biomicroscopy (UBM) preoperatively and postoperatively.The follow-up period was 3 to 24 months.Written informed consent was obtained from each patient before surgery.Results BCVA (LogMAR) and IOP had no significant changes after surgery in one week (t=1.30,P=0.22;t=-0.91,P=0.38).BCVA was elevated in 5 cases at the last follow-up,but declined in 3 cases,kept stable in 4 cases.Mean intensity of ECD before and 3 months after operation was (2 270.79±458.43)/mm2 and (2 111.52±483.46)/mm2,respectively,the mean loss of ECD was 159.27 cells/mm2,and there was a significant change between the two time points (t=3.76,P=0.00).Mean postoperative maximal length diameter before and 3 months after operation was (5.87±0.95)mm and (1.46±0.83) mm,mean postoperative maximal width diameter was (3.10 ±0.55) mm and (0.89 ±0.47) mm,respectively,the mean postoperative maximal length diameter was reduced by 5.33 mm,and the mean postoperative maximal width diameter was reduced by 2.22 mm,with significant changes between the two time points (t =18.55,P =0.00;t =11.75,P =0.00).All cysts were resolved and without recurrence at the last follow-up.No significant complications,such as cornea endothelial decompensation,endophthalmitis,sympathetic ophthalmia and retinal detachment were seen during the follow-up period.Conclusions Modified intracystic ethanol irrigation is a safe and effective procedure to treat traumatic iris cysts,which is more simple with less injury and low rate of complications.