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  • 45599
  • 45600
  • 45601

Ishihara test 38 plates **Ed. 1992**
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Description

In perfect condition
Used equipment.
No refund or exchange
Sold with case

Technical description

The Ishihara 38-plate test is an ophthalmological diagnostic tool designed to screen for color vision abnormalities, primarily congenital red-green color vision deficiencies (color blindness).

It consists of a booklet containing 38 pseudo-isochromatic plates made up of colored dots forming numbers or patterns.

Technical Specifications
Name: Ishihara Test for Color Deficiency
Model: 38-plate version
Designer Dr. Shinobu Ishihara
Type Pseudo-isochromatic test
Number of plates 38
Format Bound booklet
Method Recognition of numbers and patterns
Detected deficiencies Red-green
Classification Protan/deutan orientation
Testing Distance Approximately 75 cm
Presentation Time Approximately 3 seconds per plate
Lighting Standardized daylight or equivalent
Target Audience Adults and children, depending on the plates used
Examination Monocular, one eye at a time if necessary

Clinical Applications
- Screening for color blindness and red-green color vision deficiencies.
- Diagnostic differentiation between protan and deutan abnormalities.
- Ophthalmological and orthoptic examinations.
- Occupational aptitude assessments requiring good color discrimination.
- Screening for children and adults.

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