Ishihara eye test chart book 38 plates for color deficeiency || adults and professionals color vision book || eye test book (ishihara book with eye vision chart & near vision book)

About this item

• intended to determine the type of color vision defect (protanopia or deuteranopia) and the severity of it.
• Hidden digit plates: only individuals with color vision defect could recognize the figure.
• Includes four special plates for tests to determine the kind and degree of defect in color vision.
• Diagnostic plates: intended to determine the type of color vision defect (protanopia or deuteranopia) and the severity of it.