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Neuro-ophthalmological manifestations of diabetes mellitus during COVID-19-related lockdown in India
Authors:Akkayasamy Kowsalya  Sameer Chaudhary  Sagnik Sen  Maheshkumar Shanmugam  Jayasri K Narayanamoorthy  Shreya Jain  Balagiri Sundar
Affiliation:Department of Neuro Ophthalmology, Aravind Eye Hospital, Madurai, Tamil Nadu, India
Abstract:Purpose:The coronavirus disease 19 (COVID-19) pandemic has resulted in a huge impact on the health care system. Diversion of health care workforce toward management of a high number of COVID-19 cases and lockdown restrictions have affected the follow-up of patients. The objective of this study was to analyze the impact of this situation on the control of diabetes, eventually resulting in related neuro-ophthalmological complications.Methods:This retrospective case series included diabetic patients visiting the neuro-ophthalmology clinic at a tertiary care eye center in India from 25 March 2020 to 25 September 2020 during the lockdown. The incidence of diabetes-related neuro-ophthalmological complications, including third, fourth, sixth nerve palsies and non-arteritic anterior ischemic optic neuropathy (NAION) was evaluated and compared with that of the same period during 2019.Results:Overall disease incidence rate was significantly higher in the year 2020 (60.2%) compared to the previous year of 2019 (29.8%). The proportion of third nerve palsy (4.8% vs 16.3%, P < 0.001) and NAION (0.3% vs 14.3%, P < 0.001) had increased. Even though the percentage of sixth nerve palsy was 25% in 2020, this was not significantly different from 2019. There was a reduction in the percentage of fourth nerve palsy cases from the year 2019 to 2020.Conclusion:There was a significant increase in diabetes-related neuro-ophthalmic complications during the COVID-19 lockdown. This can possibly be attributed to worsening of glycemic control in diabetic patients.
Keywords:COVID-19   diabetes mellitus   lockdown   naion   sixth nerve   third nerve palsy
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