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ORIGINAL ARTICLE
Year : 2021  |  Volume : 69  |  Issue : 1  |  Page : 99-102

Comparison of standard and “innovative wide-field” optical coherence tomography images in assessment of vitreoretinal interface in proliferative diabetic retinopathy: A pilot study


1 Department of Vitreoretina and Ocular Oncology Services, Sankara Eye Hospital, Bengaluru, Karnataka, India
2 Department of Vitreoretina, Sankara Eye Hospital, Shivamogga, Karnataka, India

Correspondence Address:
Dr. Divyansh Kailashchandra Mishra
Sankara Eye Hospital, Varthur Main Road, Bengaluru - 560 037, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_289_20

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Purpose: To compare the standard and “innovative wide-field” optical coherence tomography images in assessment of vitreoretinal interface in proliferative diabetic retinopathy. Methods: Fifty consecutive eyes of 25 patients with proliferative diabetic retinopathy underwent 12 × 12 mm radial swept source-optical coherence tomography (OCT) imaging using standard technique and innovative wide-field (+90D) technique. The image expansion ratio was calculated using Image J software. Results: Out of the 50 eyes, only in four eyes with +90 D were minimally misaligned or were having quality less than grade 2 as compared to standard OCT. The mean age group was 51 ± 4.5 years. The expansion ratio (scan length) increased by a factor of 1.65 ± 0.67 when obtained using +90 D technique. Conclusion: Innovative wide-field technique provides us with the widest of available OCT scans with the presently available machine and the software.


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