S. Ishihara, Tests for color-blindness (Handaya, Tokyo, Hongo Harukicho, 1917).

Optic Neuritis Study Group. The clinical profile of optic neuritis. Experience of the Optic Neuritis Treatment Trial. Arch Ophthalmol. 1991 Dec;109(12):1673-8. 

Shah AA, Pasadhika S, Kim J, Wang M. Pseudoisochromatic color vision testing on an iPhone. Invest Ophthalmol Vis Sci. 2012;53:6399.

Campbell TG, Lehn A, Blum S, Airey C, Brown H. iPad colour vision apps for dyschromatopsia screening. J Clin Neurosci. 2016 Jul;29:92-4.

Ozgur OK, Emborgo TS, Vieyra MB, Huselid RF, Banik R.Validity and Acceptance of Color Vision Testing on Smartphones. J Neuroophthalmol. 2018 Mar;38(1):13-16.

Dr. Shinobu Ishihara

Color Vision Screening (Ishihara Test)

twelve

eight

five

twentynine

seventyfour

seven

fortyfive

sixteen

thirtyfive

ninetysix

Assess for red-green color blindness.

Ishihara Test

Edmund Tsui, MD, is an assistant professor of ophthalmology at the Stein Eye Institute at the University of California, Los Angeles. He was previously a uveitis fellow at the Proctor Foundation at the University of California, San Francisco. Dr. Tsui obtained his medical degree from the Geisel School of Medicine at Dartmouth and completed his ophthalmology residency training at NYU where he was elected chief resident. He is also a social media editor forOphthalmology. His research interests include the use of multimodal ophthalmic imaging to diagnose and monitor uveitis.

Edmund Tsui, MD

Priya Patel, MD, is currently a cornea fellow at Emory University in Atlanta, GA. She completed her ophthalmology residency at the New York University School of Medicine, where she was chief resident. A native of New Jersey, Dr. Patel attended Duke University for her undergraduate studies followed by medical school at Rutgers New Jersey Medical School. Her interests include healthcare accessibility and resident education.

Priya Patel, MD

The Color Vision Screening (Ishihara Test) assesses red-green color blindness. 

Snellen Chart 

AMT-10

EB Medicine is the premier provider of evidence-based clinical content and CME resources for emergency medicine practitioners.

Listen to the VACO co-creators break down how to use VACO\, what it does\, and what it doesn’t.

Calc Function