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Indian Journal of Clinical and Experimental Ophthalmology


To study correlation of HbA1c and macular thickness changes in diabetic patients after phacoemulsification and small incision cataract surgery (SICS)


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Research Article

Author Details : Avani Soni, Rajni Sethia*, Parin Mehta, Zeel Patel, Aneesha Vyas

Volume : 6, Issue : 1, Year : 2020

Article Page : 108-113


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Abstract

Purpose: To study the relationship between HbA1c and macular thickness using Optical coherence
tomography (OCT) in phacoemulsification and SICS.
Materials and Methods: Retrospective study where 100 eyes of type 2 Diabetes mellitus patients
with mild to moderate Non-Proliferative Diabetic Retinopathy (NPDR) were included. 50 PATIENTS
underwent uncomplicated phacoemulsification surgery AND REST 50 FOR SICS and were divided into 3
groups based on HbA1c levels – Group 1: <6>8%. Nine macular
subfields as defined by Early Treatment of Diabetic Retinopathy study (ETDRS) were measured using
OCT. The HbA1c level of each patient was measured and compared with the macular thickness as well as
visual acuity.
Result: The macular thickness was found to be significantly higher postoperatively in SICS group (251.54
22.69 mm) than the PHACO group (230.44 26.47 mm) on post-operative day 7 and it further increased
to (267.46 43.44 mm) in SICS group as compared to phaco group (244.50 37.30 mm)on postoperative
1 month in group C. CMT was highest if HbA1C levels were more than 8% as compared to other two
groups on all post-operative day.
No significant difference was found in BCVA between both the groups on 1 month and 3 months postoperatively.
Conclusion: This study shows that cataract surgery increases the macular thickness and these increases are
significantly higher in the SICS than in PHACO eyes on the POD 7, 1 month and 3 months after surgery,
especially if HbA1c levels are more than 6.5%, which resolves to near normal levels in phaco group by
POD 3 months. This indicates that phacoemulsification is more preferable surgery then SICS in adults with
regard to postoperative increase in macular thickness. Also good control of HbA1c levels significantly
decreases post-operative visual problems.

Keywords: OCT, Diabetics, HbA1c, Phacoemulsification, SICS.

Doi : 10.18231/j.ijceo.2020.024

How to cite : Soni A, Sethia R, Mehta P, Patel Z, Vyas A, To study correlation of HbA1c and macular thickness changes in diabetic patients after phacoemulsification and small incision cataract surgery (SICS). Indian J Clin Exp Ophthalmol 2020;6(1):108-113

Copyright © 2020 by author(s) and Indian J Clin Exp Ophthalmol. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (creativecommons.org)