Seeing Colours - Optics and Vision Test Review

Question 1

What are the (primary colors) of light? And what are the secondary colors of light?

Answer 1

Primary Colors - Red, Green, Blue
Secondary Colors/Primary Colors of Pigment - Magenta, Cyan, Yellow

Question 2

Primary Color - Addition Model

Answer 2

Red + Blue = Magenta
Yellow + Red = Green
Blue + Yellow = Cyan
Red + Yellow + Blue = White

Question 3

Secondary Colors - Subtraction Model

Answer 3

Magenta( RB - G)
Yellow ( RG - B)
Cyan (BG - R)
Magenta - Yellow = Red
Yellow - Cyan = Green
Cyan - Magenta = Blue

Question 4

Answer the question -
What is the correct term for color blindness?

Answer 4

The correct term of color blindness is color deficiency.

Question 5

Answer the question -
Explain why some people are color blind? And how can we figure out/fix color deficiency?

Answer 5

Color deficiency can occur through genetics or when your eye or you brain is damage, and when the cones in your eye aren’t working right, making you unable to see green, blue, and red. The most common problem is when the cones usually mimic each other. We can figure out if you have color deficiency by doing tests, and fix it by using glasses or contacts.

Question 6

Answer the question -
Are there any devices that can help correct color deficiency? If so, what are they?

Answer 6

Glasses or contacts that reduce or block the overlapping of the red and green light wavelengths.