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Related Experiment Video

Updated: Jun 3, 2026

A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision

A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision

Published on: February 11, 2014

Beyond 20/20: new clinical methods to quantify vision performance.

Jeff Rabin¹, John Gooch, Douglas Ivan

¹Aerospace Ophthalmology Branch, USAF School of Aerospace Medicine, 2513 Kennedy Circle, Brooks City-Base, TX 78235-5116, USA.

Military Medicine

|April 5, 2011

Summary

This summary is machine-generated.

New vision tests, the Super Vision Test-Night Vision Goggle (SVT-NVG) and Cone Contrast Test (CCT), accurately measure visual performance. These tools detect subtle vision changes and color deficiencies, aiding in early disease detection.

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Area of Science:

Ophthalmology
Visual Science

Background:

Standard visual acuity tests may not detect subtle vision impairments.
Accurate quantification of visual performance is crucial for diagnosing eye conditions and assessing operational readiness.

Purpose of the Study:

To introduce and evaluate two novel methods for quantifying visual performance: the Super Vision Test-Night Vision Goggle (SVT-NVG) and the Cone Contrast Test (CCT).
To assess the sensitivity and applicability of these new tests in detecting visual deficits.

Main Methods:

The SVT-NVG, a clinical letter chart, measures high- and low-contrast vision in both daytime and simulated night conditions.
The CCT, a computer-based color test, diagnoses the type and severity of color vision deficiencies.

Main Results:

The SVT-NVG identified subtle visual decrements missed by conventional visual acuity measurements.
The CCT demonstrated 100% sensitivity in detecting hereditary red-green color deficiencies and identified acquired deficiencies as an early indicator of disease.

Conclusions:

The SVT-NVG and CCT offer rapid and sensitive assessments of spatial and color vision.
These tests provide valuable indices of visual function that can be correlated with real-world operational demands.