Abstract
Purpose To compare femtosecond laser-assisted cataract surgery (FLACS) versus conventional phacoemulsification in shallow anterior chamber cataract patients with glaucoma or zonulysis. Methods This was a single-center retrospective review of cataract surgeries in shallow anterior chamber and glaucoma patients between January 2016 and December 2018 in which a LenSx femtosecond laser was used. The outcome measures included pre- and postoperative uncorrected and corrected distance visual acuity (UDVA and CDVA), intraocular pressure (IOP), endothelial cell density (ECD), endothelial cell loss (ECL), and object scatter index (OSI). Results One hundred and six eyes of 106 patients with a mean anterior chamber depth of 1.54 ± 0.51 mm were included in this study. Among them, 26 (23.2%) had zonulysis and 18 eyes had capsular tension ring implantation in general. The percentage of capsular tension ring implantation was statistically significantly lower in the FLACS group (P = 0.027). The UDVA, CDVA, ECD, and IOP were not statistically significant between the two groups at all time points. The postoperative ECL and OSI of the FLACS group was better than those of the conventional group (P < 0.01). Conclusions FLACS can reduce ECL and improve visual quality compared to the conventional phacoemulsification in shallow anterior chamber patients. Also, it has the trend of reducing the use of capsular tension rings in subluxated cataracts. It is an ideal choice for patients with complicated cataract such as with shallow anterior chambers, glaucoma, and zonulysis.
Highlights
Femtosecond laser-assisted cataract surgery (FLACS) has become increasingly common since its introduction in 2009
The postoperative UDVA and CDVA were better than preoperation in both groups. e percentage of capsular tension ring implantation was statistically significantly lower in the femtosecond laser-assisted cataract surgery (FLACS) group (P 0.027)
Our study showed the application of femtosecond laser technology increases the surgical safety and efficacy for zonulysis and helps to restore patients’ visual function to the maximum extent
Summary
Femtosecond laser-assisted cataract surgery (FLACS) has become increasingly common since its introduction in 2009. With growing experience in the use of femtosecond lasers, patients with heterogenous clinical features are being increasingly reported. Most of these are case reports or short case series. Erefore, it is more meaningful to compare FLACS and conventional phacoemulsification in Chinese patients with shallow AC and angle-closure glaucoma. To explore the performance of femtosecond laser in patients with shallow anterior chamber, this study was Journal of Ophthalmology conducted. E aim of the study is to evaluate the clinical outcomes of FLACS versus conventional phacoemulsification in eyes with shallow anterior chambers, glaucoma, or zonulysis and to compare their visual acuity and quality, IOP, and endothelial cell loss To explore the performance of femtosecond laser in patients with shallow anterior chamber, this study was Journal of Ophthalmology conducted. e aim of the study is to evaluate the clinical outcomes of FLACS versus conventional phacoemulsification in eyes with shallow anterior chambers, glaucoma, or zonulysis and to compare their visual acuity and quality, IOP, and endothelial cell loss
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