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Human Eye

Do you see a face in that electric socket? (michaeljmc, iStockPhoto)

Facial Recognition and the Brain

Learn how your brain recognizes faces and why you sometimes see them in places they don’t exist!

Skyglow from a city and highway

Light Pollution

Light can be a type of pollution. Learn about the damage it causes to people and living things as well as how you can prevent it.

Mahadeo Sukhai

Mahadeo Sukhai

Vice President of Research & International Affairs and Chief Accessibility Officer

Mahadeo Sukhai is the Vice President of Research & International Affairs and Chief Accessibility Officer for the Canadian National Institute for the Blind (CNIB).
Eyeglasses and a visual test chart

How We See

Learn about how human vision works as well as some common types of vision problems.

Ophthalmic imaging equipment

Ophthalmic Imaging

Learn about the history, function, uses, benefits and risks of ophthalmic imaging as a medical imaging technology.

Colourful sunglasses

How Do We See Colour?

How does the human eye see visible light as colour? And why do some people see more colours than others?

woman with camera

Eye vs. Camera

The human eye lets us see the world by sending impulses to our nervous system. In many ways, it is very similar to other optical devices, including cameras.

Why is everything so small down there?

Why is everything so small down there?

Explore how we see things far and near and from different angles. It's all about perspective!

Is a green apple always green?

Is a green apple always green?

What does light have to do with colour? Observe some colourful fruit under different conditions to learn why we see the colours we see!

How do I see colour?

How do I see colour?

How is light connected to the colours we see? In this STEAM activity make a colourful light catcher and discover why we see different colours?

How do movies move?

How do movies move?

Explore the concept of persistence of vision in this hands on activity.

Two faces each with one eye visible

Why do we need two eyes to see?

Ever wondered why we have two eyes (and not one, three or more)? Find how your two eyes work together in this hands-on activity.

How can you see underwater?

How can you see underwater?

Explore how we see things through water.

Rachel Gardiner | Optométriste

Rachel Gardiner

Optometrist

Rachel Gardiner is an Optometrist located in Newfoundland.