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Related Experiment Video

Updated: Nov 3, 2025

Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

Published on: March 17, 2023

Nonorganic visual loss in a child.

Bipasha Mukherjee¹, Suraj Nayak²

¹Department of Orbit, Oculoplasty, Reconstructive and Aesthetic Surgery, Chennai, Tamil Nadu, India.

Saudi Journal of Ophthalmology : Official Journal of the Saudi Ophthalmological Society

|June 4, 2021

Summary

Nonorganic visual loss (NOVL) is a rare condition presenting as vision loss without an organic cause. This case highlights NOVL as a crucial diagnosis in children with unexplained visual symptoms.

Keywords:

Non-organic visual loss psychogenic ptosis visual conversion disorder

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Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

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Published on: March 17, 2023

Electroretinogram Recording for Infants and Children under Anesthesia to Achieve Optimal Dark Adaptation and International Standards

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Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

Area of Science:

Ophthalmology
Neurology
Psychiatry

Background:

Nonorganic visual loss (NOVL) is a rare manifestation of conversion disorder.
It is suspected when symptoms disproportionately exceed clinical signs and no organic cause exists.

Observation:

A 10-year-old boy experienced recurrent sudden ptosis, decreased vision, and diplopia.
Initial diagnosis of juvenile myasthenia gravis was made elsewhere.
Extensive investigations were negative, prompting a psychological evaluation.

Findings:

The child was diagnosed with nonorganic visual loss (NOVL).
Symptoms resolved spontaneously after therapy.
This case underscores NOVL as a differential diagnosis in pediatric vision loss.

Implications:

Highlights the importance of considering psychogenic causes for visual disturbances in children.
Emphasizes the need for comprehensive evaluation when organic etiologies are ruled out.
Suggests potential for spontaneous recovery with appropriate psychological intervention.