Visual Outcomes of Immediate Versus Delayed Vitrectomy for Dropped Nucleus during Phacoemulsification. | [Pakistan Journal of Ophthalmology • 2016]

Author(s):

1. Shakir Zafar: Resident LRBT Free Base Eye hospital Korangi 2½, Karachi, Pakistan

2. Syed Asaad Mahmood: Resident LRBT Free Base Eye hospital Korangi 2½, Karachi, Pakistan

3. Munira Shakir: Liaquat National Hospital National Stadium Road Karachi- 74800, Pakistan

4. Saima Amin: Resident LRBT Free Base Eye hospital Korangi 2½, Karachi, Pakistan

5. Syed Fawad Rizvi: Resident LRBT Free Base Eye hospital Korangi 2½, Karachi, Pakistan

Abstract:

Purpose: To compare the visual outcome of patients undergoing immediate pars plana vitrectomy (PPV) surgery for dropped nucleus during versus delayed phacoemulsification. Study Design: Retrospective quasi - experimental. Place and Duration of study: This study was conducted at LRBT Tertiary Eye Hospital, Karachi from February 2008 to February 2014. Material and Methods: Records of patients who underwent PPV for dislocated lens fragments were reviewed. Patients were divided into two groups depending on whether they underwent PPV immediately following nucleus drop (group A) or as a second procedure within 15 days’ time (group B). Data collected included patient demographics, pre-operative best - corrected visual acuity (BCVA), duration of follow up, post-operative intraocular pressure, final BCVA and post-operative complications. Patient data was analysed at 12 months post-operatively. IBM SPSS 21 was used for data analysis. Results: Fifty seven patients (30 in group A and 27 in group B) were included in this study. The mean postoperative BCVA at 12 months for group A was 6/12-1 (range 6/6 - 6/36) and for group B was 6/12 (range 6/6 - 6/36). The mean improvement seen in BCVA was by 4.83 ± 1.39 lines of Snellen chart in group A and 4.67 ± 1.94 lines in group B compared to the preoperative visual acuities (p-value = 0.709). Cystoid macular edema (CME) occurred in 16% (5 patients) in group A and 11% (3 patients) in group B while corneal edema was encountered in 7% (2 patients) in group A and 4% (1 patient) in group B. Conclusion: Although the final visual outcomes were comparable between the two groups, early vitrectomy reduces the morbidity and results in a quicker visual recovery.

Page(s): 105-110

DOI: DOI not available

Published: Journal: Pakistan Journal of Ophthalmology , Volume: 32, Issue: 2, Year: 2016

Keywords:

Posterior , Phacoemulsification , Lens Subluxation

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