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Updated: Jun 20, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

Acute, painless vision loss.

David I Beran¹, Heather Murphy-Lavoie

¹Emergency Medicine Department, Louisiana State University Health Sciences Center, New Orleans, LA, USA.

The Journal of the Louisiana State Medical Society : Official Organ of the Louisiana State Medical Society

|September 30, 2009

Summary

Sudden, painless vision loss can stem from various serious conditions like artery occlusion or retinal detachment. Prompt ophthalmologic evaluation is crucial for potential vision restoration and identifying underlying causes.

Area of Science:

Ophthalmology
Neurology
Vascular Medicine

Background:

Sudden, painless vision loss is a critical symptom requiring prompt medical attention.
Several underlying conditions can lead to acute visual impairment, necessitating a systematic diagnostic approach.

Purpose of the Study:

To review conditions causing sudden, painless vision loss.
To discuss the pathophysiology, diagnosis, and management of these emergent visual conditions.

Main Methods:

Literature review of amaurosis fugax, central retinal artery occlusion (CRAO), central retinal vein occlusion (CRVO), vitreous hemorrhage, ischemic optic neuropathies (ION), posterior cerebrovascular accidents, and retinal detachment (RD).
Analysis of disease presentation, including history, physical examination findings, pathophysiology, treatment, and prevention.

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Main Results:

Each condition presents unique diagnostic challenges and requires specific management strategies.
Early ophthalmologic intervention is emphasized for maximizing the chances of vision recovery.

Conclusions:

A comprehensive history and physical examination are paramount in evaluating patients with sudden vision loss.
Timely diagnosis and treatment are essential for preserving vision and preventing further complications.