Subjective visual experience during phacoemulsification and intraocular lens implantation under topical anesthesia

被引:67
作者
Eong, KGA
Low, CH
Heng, WJ
Aung, T
Lim, TH
Ho, SH
Yong, VSH
机构
[1] Tan Tock Seng Hosp, Dept Ophthalmol, Singapore, Singapore
[2] Singapore Eye Res Inst, Singapore, Singapore
[3] Mt Elizabeth Med Ctr, Eye Surg Ctr, Singapore, Singapore
[4] Natl Univ Singapore, Dept Biosci, Singapore 117548, Singapore
关键词
D O I
10.1016/S0161-6420(99)00080-9
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Objective: The aim of this study was to investigate the subjective visual experience of patients during phacoemulsification and intraocular lens (IOL) implantation under topical anesthesia. Designs Postoperative questionnaire survey. Participants: The study cohort consisted of 52 patients with cataracts. There were 18 male (34.6%) and 34 female (65.4%) patients. Their mean (+/-SD) age was 67.5 (+/-10.8) years. Intervention: The patients underwent routine phacoemulsification and IOL implantation under topical anesthesia. Main Outcome Measures: The patients were interviewed on the same day after their operation regarding their visual experience in the operated eye during surgery. Results: All patients (100%) reported that they could see at least some light during the surgery. Some patients reported they could also see one or more colors (50 patients, 96.2%), movements (32 patients, 61.5%), flashes (24 patients, 46.2%), the surgeon's fingers/hands (13 patients, 25%), instruments (12 patients, 23.1%), and/or the surgeon (4 patients, 7.7%). The colors seen included red (24 patients, 46.2%), yellow (23 patients, 44.2%), blue (12 patients, 23.1%), green (7 patients, 13.5%), and orange (6 patients, 11.5%). Eight patients (15.4%) saw the spectrum of colors similar to that of the rainbow.-Twenty-four patients (46.2%) reported that the brightness of light changed during the course of the operation. Eight patients (15.4%) found their visual experience frightening. There was no statistically significant association between those who found the visual experience frightening and the sex or age of the patient, a history of cataract operation in the fellow eye, the type of visual sensation experienced, or the presence of coexisting ocular pathology. Conclusion: All patients undergoing phacoemulsification under topical anesthesia experience a variety of visual sensations that may be frightening in a small proportion of patients. (C) 2000 by the American Academy of Ophthalmology.
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页码:248 / 250
页数:3
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