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Updated: Nov 11, 2025
Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
Published on: April 14, 2014
Optic neuritis following SARS-CoV-2 infection.
Mónica Saray Rodríguez-Rodríguez1, Rosa María Romero-Castro2, Claudia Alvarado-de la Barrera2
1Centro de Investigación en Enfermedades Infecciosas, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Col. Sección XVI, CP , 14080, Ciudad de Mexico, Mexico. monica.rodriguez@cieni.org.mx.
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can cause unusual neurologic symptoms like optic neuritis, leading to vision loss. Early diagnosis of these neuro-ophthalmic issues is crucial to prevent permanent optic nerve damage.
Area of Science:
- Neurology
- Ophthalmology
- Infectious Diseases
Background:
- COVID-19 commonly presents with neurologic symptoms such as headache, anosmia, and dysgeusia.
- Neuro-ophthalmic manifestations of SARS-CoV-2 infection are rare but significant.
- Optic neuritis is an uncommon but serious potential complication of SARS-CoV-2.
Observation:
- A case study involving a patient presenting with vision loss as the primary symptom.
- The patient had no initial respiratory symptoms.
- Diagnosis revealed optic neuritis secondary to SARS-CoV-2 infection.
Findings:
- SARS-CoV-2 infection can manifest as optic neuritis, a condition affecting the optic nerve.
- Delayed diagnosis of COVID-19-related neuro-ophthalmic conditions can result in irreversible optic atrophy.
- Potential mechanisms include autoimmune responses triggered by viral antigens or direct viral invasion of the central nervous system.
Implications:
- Highlights the importance of considering COVID-19 in patients with unexplained optic neuritis.
- Emphasizes the need for prompt neuro-ophthalmic evaluation in suspected SARS-CoV-2 cases.
- Underscores the potential for long-term visual impairment if not diagnosed and treated early.
