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1.
International Eye Science ; (12): 660-663, 2020.
Article in Chinese | WPRIM | ID: wpr-815750

ABSTRACT

@#AIM: To explore the clinical efficacy of the T-hook pre-chopping combined with capsule fine treatment technology for patients with high myopia and cataract.<p>METHODS: From March 2016 to February 2019, 56 cases(80 eyes)of cataract patients with high myopia were treated in cataract department of Hebei Province Eye Hospital. They were randomly divided into A and B groups, 40 eyes in each group. Group A underwent T-hook pre-chopping combined with fine capsular treatment. Cataract phacoemulsification combined with intraocular lens implantation was purely performed in group B. We compared the cumulative release energy of ultrasound during operation between the two groups. We also observed the best corrected visual acuity(BCVA), the amount of contraction of the anterior capsule, the degree of posterior capsule opacification, intraocular lens neutrality and complications for more than 6mo.<p>RESULTS: The cumulative release energy of ultrasound in group A was less than that in group B(12.23±3.61 <i>vs</i> 20.46±4.61, <i>P</i><0.01). The best corrected visual acuity of group A was better than that of group B at 6mo after operation(<i>Z</i>=5.328, <i>P</i>=0.002). The changes of anterior capsular contraction and intraocular lens decentration(0.18±0.14, 0.02±0.007mm)were less than those of group B(0.82±0.23, 0.65±0.240mm)(<i>P</i><0.05). In group A, there were 3mm round holes in the center of the posterior capsule, and the optic axis area remained transparent, while in group B, 13 eyes(32%)had turbid central area of the posterior capsule. In group A, there was no intraoperative posterior capsule rupture or postoperative retinal detachment. In group B, there were 2 eyes(5%)with intraoperative posterior capsule rupture and 1 eye(2%)with postoperative retinal detachment.<p>CONCLUSION: We used T-hook pre-chopping combined with capsule fine treatment technology to treat cataract with high myopia, which could reduce the use of ultrasound energy during operation, reduce the risk of posterior capsule rupture, effectively avoid the occurrence of posterior cataract, and achieve satisfactory clinical effect.

2.
International Eye Science ; (12): 1806-1808, 2020.
Article in Chinese | WPRIM | ID: wpr-825348

ABSTRACT

@#AIM: To investigate the effect of fine capsule treatment on the visual quality of diffractive multifocal intraocular lens.<p>METHODS: Ninety-eight patients(120 eyes)with DMIOL implanted in cataract Department of Hebei Eye Hospital from March 2017 to April 2018. They were randomly divided into A group and B group. 60 eyes in each group. Group A patients were treated with anterior and posterior capsular polishing and posterior continuous circular capsulorhexis, while in B group the fine capsule treatment was not performed. The UCDVA, UCIVA, UCNVA, visual quality, intraocular lens neutrality and PCO incidence were compared 6mo after operation.<p>RESULTS: At 6mo after operation, UCDVA, UCIVA and UCNVA in group A were superior to those in group B. The difference was statistically significant(<i>P</i><0.05). At 6mo after operation, the amount of eccentric intraocular lens in group A was less than that in group B. The difference was statistically significant(<i>P</i><0.05). PCO incidence: group A: 0 eyes; group B: 5 eyes(8.3%)in gradeⅠ, 3 eyes(5.0%)in grade Ⅱ, 2 eyes(3.3%)in grade Ⅲ.<p>CONCLUSION: In order to enhance the stability of IOL and maintain the long-term transparency of the optic axis, we performed fine polishing of the anterior and posterior capsule and continuous circular capsulorhexis of the posterior capsule. These could improve the visual quality and satisfaction of patients after surgery.

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