Journal of Otolaryngology and Ophthalmology of Shandong University ›› 2022, Vol. 36 ›› Issue (5): 41-45.doi: 10.6040/j.issn.1673-3770.0.2021.245

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Comparative study on the use of contact lens in Nd: YAG laser posterior capsulotomy

HU Zunxia, SIMA Jing, QIN Bo, CAO Jiaguo, PAN Wei   

  1. Shenzhen Aier Eye Hospital Affiliated to Jinan University, Shenzhen 518000, Guangdong, China
  • Published:2022-09-20

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Abstract: Objective Comparison of Nd: YAG laser posterior capsulotomy using contact lens and not using contact lens in the two groups of patients with accumulated energy, laser points, average energy and operation process time-consuming. Methods A prospective collection of 80 eyes of patients with after-cataract diagnosed in the outpatient clinic of our hospital from November 2019 to May 2021. Number 1-80 according to the random number method, lottery method, single-number do not use contact lenses during the laser process, as the experimental group, 40 people(40 eyes); double-number use contact lenses, as the control group, 40 People(40 eyes). Record the range of energy used in the laser process, the accumulated energy, the number of laser points, and the time of the laser operation process. Results Postoperative visual acuity of the two groups was significantly improved, and the difference was not statistically significant(P<0.001). There was no significant increase in intraocular pressure in all observed patients half an hour after the laser and 7 days after the operation, and there was no significant difference of intraocular pressure half an hour after the laser, the intraocular pressure 7th day, and the visual acuity after the laser between two groups(P>0.05). There was no significant difference in the cumulative energy between the experimental group and the control group(P=0.456). The number of laser intraoperative points in the experimental group was less than that in the control group, and the difference between the two groups was statistically significant(P<0.001). The operation time of the experimental group was less than that of the control group, and the difference between the two groups was statistically significant(P<0.001). Conclusions Nd∶YAG laser posterior capsulotomy, no contact lens was used compared with the use of contact lens, there was no significant difference in accumulated energy, and the average energy used was larger, but the number of laser points could be reduced, and the operation time was shorter. The clinical effect of the two groups of patients No difference was observed.

Key words: Posterior cataract, Nd∶YAG laser, Contact lens, Capsulotomy, Posterior capsule opacification

CLC Number: 

  • R779.6
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