Which of the following statements is true regarding colour blindness?
A)
Individuals with deuteranopia would have difficulty perceiving wavelengths of 700nm and 500nm.
B)
Protanopia, deuteranopia, and tritanopia are increasingly severe forms of colour blindness reflecting 1, 2, or 3 types of defective cones.
C)
Individuals suffering from tritanopia see the world only in shades of blue and yellow.
D)
Red/green colour blindness results in a decrease in acuity and occurs mainly in males.
Answer: A