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A comparative study of retinal layer changes among patients with schizophrenia and healthy controls

Published online by Cambridge University Press:  07 December 2022

Abhilaksh Kango ,
Sandeep Grover Open the ORCID record for Sandeep Grover [Opens in a new window] ,
Vishali Gupta ,
Swapnajeet Sahoo Open the ORCID record for Swapnajeet Sahoo [Opens in a new window]  and
Ritu Nehra
Abhilaksh Kango
Affiliation:
Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, India
Sandeep Grover*
Affiliation:
Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, India
Vishali Gupta
Affiliation:
Department of Ophthalmology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
Swapnajeet Sahoo
Affiliation:
Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, India
Ritu Nehra
Affiliation:
Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, India
*
Author for correspondence: Sandeep Grover, Email: drsandeepg2002@yahoo.com
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Abstract

Aim:

This study aimed to evaluate the retinal nerve fibre layer changes among different group of patients with schizophrenia and compare it with healthy controls by using swept-source optical coherence tomography.

Methodology:

Patients with first-episode schizophrenia (n = 21) in remission (n = 35) or with treatment-resistant schizophrenia (TRS) (n = 35) and 36 healthy controls were evaluated for retinal thickness.

Results:

Patients with psychotic illnesses had significantly lower sub-foveal choroidal thickness (effect size 0.84–0.86), when compared to the healthy controls. When patients with first-episode schizophrenia were compared with patients with TRS, TRS patients had significant lower sub-foveal choroidal thickness (left eye) when the various confounders (such as age, gender, duration of treatment, smoking, current medications, body mass index, waist circumference, blood pressure, fasting glucose, HbA1c, presence or absence of metabolic syndrome) were taken into account. When the patients with TRS were compared with healthy controls, initially significant differences were observed for the macular volume (left and right) and the ganglion cell thickness (right eye) but these differences disappeared after controlling for the various covariates.

Conclusions:

Compared to healthy controls, patients with schizophrenia, psychotic illnesses have thinning of the retina, especially in the sub-foveal choroidal thickness.

Keywords

schizophreniaretinatreatment resistance
Type
Original Article
Information
Acta Neuropsychiatrica , Volume 35 , Issue 3 , June 2023 , pp. 165 - 176
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Copyright
© The Author(s), 2022. Published by Cambridge University Press on behalf of Scandinavian College of Neuropsychopharmacology

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