Show:
The Eye
Optics
Color
Illusions
Vision
100
This is the colored part of the eye
What is the iris
100
Name a job that involves optics, or involves the behavior and properties of light:
What is astronomy, various engineering fields, photography, and medicine…(I will accept any answer that fits)
100
These three colors are considered "primary" on a color wheel
What are red, blue, and yellow
100
This is what the word "illusion" means
What is (any acceptable or correct answer here)
100
This is a condition in which objects far away appear blurred
What is nearsightedness
200
This part of the eye gets bigger or smaller, depending on the amount of light
What is the pupil
200
This is an optical phenomenon that is caused by light in water droplets resulting in a spectrum of light appearing in the sky.
What is a rainbow
200
These three colors are considered secondary on a color wheel
What are orange, green, and purple
200
This trait of human vision is the reason we appeared to have a hole in our hand when looking through an old paper roll.
What is binocular vision
200
This is what happens when a person with farsightedness tries to see objects that are close:
What is blur/blurred vision
300
This type of cell is a human's color receptor cell. It helps us to see color
What is a cone cell
300
These are the two most common conditions that people are prescribed glasses for
What are nearsightedness and farsightedness
300
This color is the complementary color to blue
What is orange
300
This visual ability to perceive the world in three dimensions (3D) and the distance of an object is aided by binocular vision.
What is depth perception
300
This word is what the main part of a pair of glasses is called, as well as a part that is found inside our eye
What is the lens
400
This is the part of the eye that focuses light on our retina
What is the lens
400
These are the colors of the visible light spectrum, in order
What is red, orange, yellow, green, blue, indigo, violet
400
This color is the result of blue mixed with yellow
What is green
400
These two colors are used in traditional 3D glasses to help block out colors in either eye so that an image appears in 3D
What are red and cyan (accept red and blue, with description of blue)
400
These serve to clean and lubricate the eyes in response to an irritation of the eyes
What are tears
500
This part of the eye sends signals to our brain
What is the optic nerve
500
This is an object that reflects light in a way that preserves much of the original quality. It is used in common households nearly every day.
What is a mirror
500
This is the result of blue mixed with green
What is turquoise
500
This series of books became popular in the 1990s and featured optical illusions that made use of blending one's binocular vision
What is Magic Eye
500
These doctors are trained to prescribe and fit lenses to improve vision, and in some countries are trained to diagnose and treat various eye diseases.
What are optometrists