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The Waggoner test identifies your type and severity of color vision deficiency - in under 5 minutes from any device.
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Do you know if you're colorblind?
TCV provides a pseudoisochromatic color vision test developed by Dr. Terrace Waggoner. Know your type, severity, and get a certificate - in under 5 minutes.
Trusted By
Optometrists
100+ Countries
Schools
Vision Screening
Hospitals
Medical Grade
From individual self-testing to hospital-wide screening - one platform, any scale.
$29.50Find out if you have a color vision deficiency, its type, and severity - in under 5 minutes from any device.
GroupMeet safety and compliance requirements. Bulk testing with shared admin dashboard.
ClinicalFor optometrists, ophthalmologists, school nurses, and hospitals. Clinical-grade, used in 100+ countries.
TestingColorVision.com raises awareness and provides a clinically validated test for color vision deficiencies. Early detection matters - especially for children navigating school.
of men affected
globally
of women affected
globally
people worldwide
live with CVD
male births affected
at birth
No appointments. No special equipment. Just four simple steps to understanding your color vision.
Individual from $29.50, group plans for organizations, or enterprise unlimited. Credits never expire.
Any device, any browser. The Waggoner CCVT takes under 5 minutes - no appointments, no special equipment.
A comprehensive report identifies your deficiency type (protan, deutan, tritan) and severity level instantly.
A printable, shareable certificate with your name, date, and results. Accepted by employers & schools.
Clinically Validated
Aligned with FAA and military standards
Results in 5 Minutes
Fast, accurate, no stress
Used in 100+ Countries
Trusted globally
Printable Certificate
Share with anyone
No subscription · Results in under 5 minutes
Color vision deficiencies come in different forms and severities. Learn about each type - what causes it, how common it is, and how the world looks through different eyes.
Trichromacy
Normal trichromatic vision - three types of cone cells function correctly, providing full-spectrum color perception across red, green, and blue wavelengths.
Colors as seen
The reference point - what normal color vision looks like.
Learn about normal trichromatic visionRed Deficiency
Difficulty distinguishing reds from greens, with reduced sensitivity to red light. Often confused with Deutan.
Color Perception Preview
Actual Color
As Seen By
Green Deficiency
The most common color vision deficiency. Loss of green cone function causes confusion between reds, oranges, yellows, and greens.
Color Perception Preview
Actual Color
As Seen By
Blue Deficiency
A rare form affecting blue-yellow perception. Blue appears green, and yellow looks like violet or light gray.
Color Perception Preview
Actual Color
As Seen By
No Color Vision
Achromatopsia - the rarest form. Individuals see only in shades of gray, black, and white with no color distinction.
Color Perception Preview
Actual Color
As Seen By
Developed by Dr. Terrace L. Waggoner - trusted by specialists in 100+ countries. Results in 5 minutes.
Start Test - $29.50Purchase credits in bulk. Credits are deducted from your account balance after purchase.
Learn moreQuestions? Email us at info@waggonerdiagnostics.com