The Colour Deficiency Test Book – 24 Plates provides a compact and reliable way to screen for colour vision deficiencies such as red-green blindness. Based on the classic Ishihara method, this book contains 24 diagnostic plates with colored dots that incorporate hidden numbers or patterns.

Key Features

• Color Deficiency Detection: Easily identify protan and deutan types.
• Compact and Handy: Ideal for medical use, schools, or businesses.
• Easy to Collect: Flat plates with clear instructions for reliable results.
• Durable: Booklet format protects the plates and facilitates storage and transport.
• Widely Applicable: Suitable for ophthalmologists, optometrists, medical centers, educational institutions, and company inspections.

Why Choose This Product?

• Worldwidely Recognized Ishihara Test Method
• Efficient, Time-Saving, and Easy to Use Use
• Suitable for both professional and educational use
• Includes manual for correct interpretation

Usage tips

• Take the test in daylight or daylight simulation
• Display the image approximately 75 cm away
• Each answer must be given within a few seconds