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Abnormal Vistech Contrast Sensitivity Test C5139137

Published: July 22, 2026Updated: August 20, 2026

An abnormal result on a vision test that measures the ability to detect contrast and shapes at different sizes. May indicate issues with visual processing that warrant further eye examination.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
H53.9
ICD-11
9A00.0
Body system
ophthalmologic
Severity
mild
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Sudden loss of contrast vision

Generalized symptoms

(ophthalmologic)

Mild symptoms that may not significantly impact daily life.

Frequency: Varies

Increased glare sensitivity

(ophthalmologic)

Difficulty driving at night

(ophthalmologic)

Reduced contrast sensitivity

(ophthalmologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Comprehensive Ophthalmologic Evaluation

Thorough eye examination to identify underlying causes of contrast sensitivity abnormalities including retinal and neurological assessment.

monitoring
2

Lifestyle modification and dietary intervention

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
3

Contrast Sensitivity Training

Computerized vision training programs designed to improve contrast detection through progressive visual tasks and stimulus discrimination exercises.

physical_therapy

Additional treatment options

Low Vision Aids

Specialized optical devices including filters and magnifiers that enhance contrast perception for daily activities.

complementary

Environmental Contrast Optimization

Modifications to lighting conditions, text size, and color contrast in living and working environments to maximize visual function.

lifestyle

Treat Underlying Condition

If an underlying pathology is identified, targeted treatment of the primary condition such as cataract, glaucoma, or neurological disorder may improve contrast sensitivity.

medication

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormal Vistech Contrast Sensitivity Test C5139137?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Abnormal Vistech Contrast Sensitivity Test C5139137. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy