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@#AIM: To observe the efficacy and safety of central hole phakic posterior chamber intraocular lens(ICL V4c)implantation for correction high myopia.<p>METHODS: Fifty-eight high myopia patients(116 eyes)who underwent the ICL V4c implantation in our hospital from January 2016 to June 2017 were observed 1wk, 1mo and 1a after operation respectively. Uncorrected visual acuity(UCVA), best corrected visual acuity(BCVA), equivalent spherical mirrors(SE), intraocular pressure(IOP), corneal endothelial cell count, ICL-vault, adverse reaction and complication were investigated.<p>RESULTS: Postoperative UCVA and BCVA were significantly higher than that in preoperative group(<i>P</i><0.01). Significant differences were found between postoperative groups except between 1mo and 1a(<i>P</i>>0.05). Postoperative SE at all time points were lower than that in preoperative group(<i>P</i><0.01). SE at 1mo and 1a after operation were close to 0 diopter. The safety index in 1a postoperative was 1.33±0.67 and the effective index was 1.32±0.69. No significant differences were found in IOP and endothelial cell density after surgery comparing to that in preoperative group(<i>P</i>>0.05). None of subjects developed cataract, glaucoma and decompensation of corneal endothelium. The degree of postoperative satisfaction was 100%.<p>CONCLUSION: ICL V4c implantation is a safe and effective method for correction of high myopia. The visual acuity stabilized 1mo after operation.
ABSTRACT
@#AIM: To observe the efficacy and safety of central hole phakic posterior chamber intraocular lens(ICL V4c)implantation for correction low to moderate myopia.<p>METHODS: Twenty low to moderate myopia patients(forty eyes)who underwent the ICL V4c implantation in our hospital from January 2016 to June 2017 were observed 1wk, 1mo and 1a after operation respectively. Uncorrected visual acuity(UCVA), best corrected visual acuity(BCVA), equivalent spherical mirrors(SE), intraocular pressure, corneal endothelial cell count, ICL-vault, adverse reaction and complication were investigated.<p>RESULTS: Postoperative UCVA and BCVA were significantly higher than that in preoperative group(<i>P</i><0.01). Significant difference was found in UCVA between postoperative groups except between 1mo and 1a. No significant difference were found in BCVA among postoperative groups(<i>P</i><0.05). Postoperative SE at all time points were lower than that in preoperative group(<i>P</i><0.01). Average SE after 1wk after operation were close to 0 diopter. The safety index in 1a postoperative were 1.05±0.14 and the effective index was 1.07±0.14. No significant difference was found in intraocular pressure and endothelial cell density after surgery comparing to that in preoperative group(<i>P</i>>0.05). None of subjects developed cataract, glaucoma and decompensation of corneal endothelium. The degree of postoperative satisfaction was 100%.<p>CONCLUSION: ICL V4c implantation is a safe and effective method for the correction of low to moderate myopia. The visual acuity stabilized 1mo after operation.
ABSTRACT
@#AIM: To investigate the clinical effect of intracameral cefuroxime injection on prevention of endophthalmitis following phacoemulsification. <p>METHODS: This was a retrospective clinical study. The clinical records were reviewed for 3112 patients(4210 eyes)with cataract phacoemulsification in our hospital from January 2015 to June 2018; 1810 patients(2250 eyes)without intracameral cefuroxime injection were treated as control group from January 2015 to April 2017; 1302 cases(1960 eyes)with intracameral cefuroxime injection were treated as experimental group from May 2017 to July 2018. Patients in both groups were treated with phacoemulsification and intraocular lens implantation. The follow-up period was 1-8mo and the visual acuity and the infectious endophthalmitis were observed and compared. <p>RESULTS:There were 1 344 eyes with best corrected visual acuity >1.0, 696 eyes with 0.5-0.9, 151 eyes with 0.1-0.4, 59 eyes with <0.1 in control group within 6mo after operation; those in experimental group were 1 136 eyes, 624 eyes, 146 eyes, 54 eyes. No postoperative endophthalmitis case occurred in experimental group. Three postoperative endophthalmitis cases(3 eyes)occurred in control group, 0.13%(3/2250). There was no significant difference between the two groups(<i>P</i>=0.15). All the cases with endophthalmitis were cured. No sever complication was reported with intracameral cefuroxime, corneal endothelium decompensation, retinal toxicity. <p>CONCLUSION: Intracameral cefuroxime injection is safe and effective in prevention of endophthalmitis following phacoemulsification.
ABSTRACT
To measure the subfoveal choroidal thickness ( SFCT ) in myopia using Cirrus HD optical coherence tomography ( OCT ), and to explore the relationship between the SFCT, axial length and myopic refractive spherical equivalent. ● METHODS: One - hundred thirty - three eyes of 70 healthy volunteers were recruited, and were divided into emmetropia group, low- degree myopia, middle- degree myopia and high - degree myopia group. SFCT were measured by Cirrus HD OCT, and the relationship between the SFCT, axial length and myopic refractive spherical equivalent were evaluated. ●RESULTS: 1) Average SFCT was (275. 91±55. 74)μ m in normals, that in emmetropia group, low-degree myopia, middle- degree myopia and high - degree myopia group were (290. 03± 34. 82) μ m, (287. 64 ± 51. 51) μ m, (274. 95 ± 56. 83)μ m, (248. 37 ± 67. 98) μ m; 2) the SFCT of high -degree myopia group was significant thinner than that of emmetropia group (P ● CONCLUSlON: the SFCT is inversely correlated with increasing axial length and myopic refractive error.