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How We See

Science & Nature

Vision and Colour Perception: The Science of How We See & How Color Works

This class covers the science of human vision, from the eyeball to the brain, including how we sense colour/color.
David Morgan-Mar, Ph.D.
61 total reviews for this teacher
2 reviews for this class
Completed by 3 learners
  There are no upcoming classes.
55 minutes
per class
Meets once
year olds
learners per class
per learner

How does aOne-Timeclass work?

Meets once at a scheduled time
Live video chat, recorded and monitored for safety and quality
Great for exploring new interests and different styles of teachers

How Outschool Works

There are no open spots for this class.

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Class Experience

Students will learn the anatomy of the human vision system, including the eye, retina, optic nerves, and visual cortex. They will learn how  different light-sensitive cells in the retina detect brightness levels and colours, and how the brain processes the resulting nerve signals to produce vision and the sensation of colour.
I have 14 years experience in human vision and colour perception research. I have taught a simplified version of this topic face to face in classrooms with children from K-6, and I have run colour perception experiments with a school Science Club (Years 4-6).
Learners will not need to use any apps or websites beyond the standard Outschool tools.
55 minutes per week in class, and maybe some time outside of class.
This class will touch on the topic of colour blindness, explaining what it is, and how it is caused by variations in the retinal cells of some individuals. I explain that colour blindness is something that some people are born with, like red hair or a birthmark, and not something to feel ashamed of. Students who are colourblind may benefit from some parental guidance before or after the class. I will not ask students if they are colourblind, but students may volunteer to tell me if they wish, and ask questions about it.


David Morgan-Mar, Ph.D.
Lives in Australia
Critical thinking - Science - Ethics! Big questions for broad minds
61 total reviews
19 completed classes

About Me

I'm a professional scientist and photographer, with experience teaching children science and ethics in Sydney, Australia. I have a bachelor's degree in physics and mathematics, and a doctorate in astronomy. I've been a research scientist in optics... 
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