ent
Ishihara Colour Vision Test Interpretation
Pseudoisochromatic plate test for identifying congenital red-green colour vision deficiency. Standard 24-plate test: 17+ correct = normal; 13 or fewer = colour vision deficiency. Important for certain occupations (aviation, driving, certain clinical roles).
References
- Ishihara S. Tests for Colour-Blindness. 1917. Handaya, Tokyo.
- Cole BL. Assessment of inherited colour vision defects in clinical practice. Clin Exp Optom. 2007;90(3):157–175.
Related
Curated clinical cross-links plus same-class fallbacks.
Drugs
- Camellia sinensis (sinecatechins) · Topical green tea catechin extract
- Tetracosactide · Synthetic ACTH (short Synacthen test)
- Urea (13C) · 13C-urea breath test
- Indocyanine Green (Intravitreal Chromovitrectomy) · Diagnostic Dye — Vitreoretinal Surgery / ICG Angiography
- Lissamine Green 1% Eye Drops · Vital Dye — Ocular Surface Staining (Dry Eye Diagnosis)
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.