研究目的
To report the outcomes of combined surgery using femtosecond laser-assisted cataract surgery (FLACS) and sutureless 27-gauge pars plana vitrectomy with intravitreal tamponade.
研究成果
FLACS is a safe and effective technique providing the advantage of repeatable, precise capsulorhexis shape and size to achieve a well-centered and stable IOL postoperatively. These advantages can certainly improve the results of vitrectomy, especially in gas-filled eyes. FLACS and 27-gauge sutureless combined surgery may be a future trend in appropriate cases.
研究不足
The study does not give an idea about the effect of FLACS on endothelial damage or creation of corneal incision. It has a relatively small number of cases and no control group with conventional cataract surgery. Also, this study does not give an idea about FLACS and 27-gauge vitrectomy with silicon oil.
1:Experimental Design and Method Selection:
Retrospective clinical study involving 23 eyes of 23 patients. Femtosecond laser treatment was performed after selection of capsulotomy and lens fragmentation patterns. The capsulotomy diameter was chosen as 4.9 mm in all patients. After the femtosecond laser, the sutureless phacovitrectomy procedure was performed. At the end of surgery, perfluoropropane or sterile air tamponade was applied.
2:9 mm in all patients. After the femtosecond laser, the sutureless phacovitrectomy procedure was performed. At the end of surgery, perfluoropropane or sterile air tamponade was applied. Sample Selection and Data Sources:
2. Sample Selection and Data Sources: Patients diagnosed with coexisting retinal pathologies and cataract who underwent combined FLACS and sutureless 27-gauge vitreoretinal surgery between May 2017 and February 2019 at Bursa Retina Eye Hospital.
3:List of Experimental Equipment and Materials:
Femtosecond laser (Alcon LenSx Inc., Aliso Viejo, Calif., USA), Nidek Optical Biometer-AL Scan (Nidek Co., Ltd., Japan), Centurion Vision System (Alcon Laboratories Inc., Fort Worth, TX, USA), 27-gauge trocars (D.O.R.C. International and Alcon Laboratories), Zeiss microscope with EIBOS 2 (Haag Streit, USA) attachment.
4:Experimental Procedures and Operational Workflow:
Patients were initially placed in the femtosecond laser operating suite. Femtosecond laser treatment was performed under topical anesthesia. After the laser treatment, patients were taken to another operating room for the sutureless phacovitrectomy procedure. Retrobulbar block anesthesia was used. The surgeon performed 2.2 mm clear corneal incision manually. The anterior capsule was then extracted with forceps. Hydrodissection, phacoaspiration, and irrigation-aspiration of the lens masses were performed. Finally, monofocal Alcon AcrySof SN60WF, 6 mm diameter intraocular lens implantation was performed.
5:2 mm clear corneal incision manually. The anterior capsule was then extracted with forceps. Hydrodissection, phacoaspiration, and irrigation-aspiration of the lens masses were performed. Finally, monofocal Alcon AcrySof SN60WF, 6 mm diameter intraocular lens implantation was performed. Data Analysis Methods:
5. Data Analysis Methods: BCVA was measured using the Snellen chart and converted to the logarithm of the minimum angle of resolution (logMAR) scale for statistical analysis. Data were compared with the paired t-test and repeated measures ANOVA was used for comparing measures of BCVA and IOP during the follow-up period.
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femtosecond laser
Alcon LenSx
Alcon
Used for creating capsulotomy and lens fragmentation patterns in cataract surgery.
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Optical Biometer
AL Scan
Nidek
Used for measuring target sphere refractive errors.
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Centurion Vision System
Alcon
Used for hydrodissection, phacoaspiration, and irrigation-aspiration of the lens masses.
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27-gauge trocars
D.O.R.C. International and Alcon Laboratories
Used for creating transconjunctival pars plana ports in vitrectomy surgery.
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Zeiss microscope
EIBOS 2
Haag Streit
Used for noncontact fundus viewing during vitrectomy surgery.
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intraocular lens
AcrySof SN60WF
Alcon
Implanted in the eye to replace the natural lens removed during cataract surgery.
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