Color Vision Screening (Ishihara Test)
Assess for red-green color blindness.
INSTRUCTIONS
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Ensure proper room lighting and phone brightness.
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Wear any glasses necessary for near vision.
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Hold screen at a comfortable reading distance (~30 inches or 75 cm).
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Test each eye independently.
Result:
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Dr. Shinobu Ishihara
About the creator
Shinobu Ishihara, MD, (d. 1963) was an army opthamologist in Tokyo, Japan. He was also the chairman of the ophthalmology department at the Imperial University of Tokyo. Dr. Ishihara’s research interests included isochromatic vision and myopia.
To view Dr. Shinobu Ishihara's publications, visit PubMed
Content Contributors
- Edmund Tsui, MD
- Priya Patel, MD