Visual Perception and Photoreceptors in the Human Eye

Front

What is the visual perception of the light spectrum by the human eye called?

Back

Color

Front

Which type of photoreceptor is responsible for vision at low light levels?

Back

Rods

Front

What are cones responsible for in the human eye?

Back

High spatial acuity and color vision

Front

What do photoreceptors in the retina do when light hits them?

Back

Turn light into electrical signals

Front

How many channels are involved in transmitting color information from the eye?

Back

Three

Front

Which of the following is NOT a channel constructed from the output of the cones? Red-green channel, Blue-yellow channel, Black-white channel, Purple-orange channel

Back

Purple-orange channel

Front

What is the term used to describe a person who can distinguish fewer colors due to missing or less responsive color-sensing cones?

Back

Color deficient or color blind

Front

What causes some kinds of color deficiency?

Back

Anomalies in the number or nature of cones in the retina

Front

What is the purpose of the Enchroma test mentioned in the image?

Back

To test for color blindness

Front

What is the source of color according to the text?

Back

Natural or artificial light