About ColorDeficiencyTest.com

We're dedicated to making color vision testing accessible, accurate, and educational for everyone. Learn about our mission, team, and commitment to quality.

Our Mission

ColorDeficiencyTest.com was founded in 2020 with a simple mission: to provide free, scientifically-accurate color vision testing that helps people understand their eye health and take appropriate action.

We believe that everyone deserves access to quality health screening tools. Color blindness affects approximately 300 million people worldwide, yet many remain undiagnosed. Our goal is to bridge this gap by offering reliable screening tools and educational resources.

1M+
Tests Completed
195
Countries Reached
100%
Free to Use
4.8/5
User Rating

Our Approach to Quality

We take accuracy and trustworthiness seriously. Here's how we ensure quality.

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Scientific Foundation

Our tests are based on the Ishihara method, developed in 1917 and still used by eye care professionals worldwide. We follow established scientific protocols.

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Medical Review

All content on our site is reviewed by licensed optometrists and ophthalmologists to ensure medical accuracy and appropriate disclaimers.

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Evidence-Based Content

We cite peer-reviewed research and trusted medical sources like the NIH, WHO, and American Academy of Ophthalmology in all our educational materials.

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Regular Updates

We continuously update our content to reflect the latest research and medical guidelines in color vision science.

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Privacy First

We don't collect or store your test results. Your privacy is paramount, and we never share personal information with third parties.

Accessibility

Our website is designed to be accessible to all users, following WCAG guidelines and supporting screen readers and keyboard navigation.

Our Medical Review Process

We take medical accuracy seriously. Every piece of content on ColorDeficiencyTest.com undergoes a rigorous review process:

  1. Research & Writing: Content is researched and written by our team using peer-reviewed medical literature and trusted health resources.
  2. Medical Review: A licensed optometrist or ophthalmologist reviews all content for medical accuracy, appropriate disclaimers, and clinical relevance.
  3. Editorial Review: Content is checked for clarity, readability, and adherence to our quality standards.
  4. Publication & Monitoring: Published content is regularly reviewed and updated as new research becomes available.

📋 Editorial Policy

We are committed to providing accurate, unbiased health information. Our content is independent and not influenced by advertisers or sponsors. We clearly distinguish between educational content and any sponsored material.

Our Expert Team

Our content is created and reviewed by experienced professionals in eye care and vision science.

Dr. Sarah Mitchell, OD

Dr. Sarah Mitchell, OD

Chief Medical Advisor

Dr. Mitchell is a board-certified optometrist with over 15 years of experience, specializing in color vision disorders and low vision rehabilitation.

🎓 OD, Pacific University 📜 Board Certified
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Dr. James Chen, MD

Dr. James Chen, MD

Medical Reviewer

Dr. Chen is a board-certified ophthalmologist and fellow of the American Academy of Ophthalmology with expertise in retinal diseases and color vision research.

🎓 MD, Johns Hopkins 📜 AAO Fellow

Have Questions?

We'd love to hear from you. Whether you have questions about our tests, suggestions for improvement, or partnership inquiries, please get in touch.

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