Characteristics and topographical distribution of retinal thinning on optical coherence tomography in Schizophrenics and healthy A comparative study

Main Article Content

Nabaratna Bista K Shyamsundar Mohini Agrawal http://orcid.org/0000-0002-4510-0668 Sagar Rajkarnikar Sachit Dhakal Kamala Thapa Pradip KC Imroz Jindal

Abstract

Introduction: To compare results of spectral-domain optical coherence tomography (SD-OCT) like retinal nerve fiber layer (RNFL) and macular thickness (MT) in Schizophrenic patients and healthy individuals.


Method: Cross-sectional study. Forty schizophrenic patients and age-gender matched 40 healthy individuals were included in the study. Using SD-OCT, peripapillary RNFL thickness, MT, neuro-retinal rim area (NRR) and mean cup-to-disc ratio (CDR) were measured and compared in 4 quadrants.


Results: Mean age of schizophrenic patients was 30.9±7.57years and healthy individuals was 29.65±5.53years (p>0.05). Mean duration of illness was 4.63±2.75 years. Schizophrenic patients showed a significant reduction in overall RNFL thickness (patients: 87.75±8.49µm in the right eye [RE] and 88.42±10.51µm in the left eye [LE]; healthy: 97.75±8.74µm RE and 98±8.744µm LE; p=0.0001 both eyes); except in temporal quadrant. Average MT (patients: 251.92±19.55µm RE and 249.37±22.24µm LE; healthy: 262.07±24.55µm RE and 260.92±23.37µm LE; p=0.044 RE and p=0.026 LE). However, there was no significant difference in central MT (p=0.52 RE, p=0.37 LE), NRR area (p=0.45 RE, p=0.11 LE) and mean CDR (p=0.26 RE, p=0.19 LE) between schizophrenics and healthy.


Conclusion: RNFL and macular thickness reduces in schizophrenics when compared to normal, particularly in the superior, inferior and nasal quadrants.

Keywords

Schizophrenia, SD-OCT, Retinal nerve fiber layer, macular thickness

Article Details

How to Cite
BISTA, Nabaratna et al. Characteristics and topographical distribution of retinal thinning on optical coherence tomography in Schizophrenics and healthy. International Journal of Retina, [S.l.], v. 6, n. 2, p. 104, sep. 2023. ISSN 2614-8536. Available at: <https://ijretina.com/index.php/ijretina/article/view/228>. Date accessed: 06 oct. 2024. doi: https://doi.org/10.35479/ijretina.2023.vol006.iss002.228.
Section
Research Articles

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