Hyperopia and Myopia

You’re out and about, and your friend points out a beautiful bird they see up in a tree. You look where they’re pointing, but you can’t see a bird, despite their insistence that one is out there. Seconds later, the bird flies from the tree towards you and your friend,...

Black Eyes

Your kid comes home from school with a black eye. You immediately start asking questions; they say they had a fall from the playground and they bashed it against the ground, but you wonder whether or not they’re getting into schoolyard fights. You’re also wondering...

Snow Blindness

I have a vague recollection of a cartoon I saw as a young child, in which some type of small animal, maybe a rabbit or a mouse, was walking through a field of glittering snow, under the sun. As the animal walked further and further, it suddenly stopped being able to...

How to Become an Optometrist

You have a vision; you see it clearly, in 20/20. You’re good at seeing eye to eye with people, you’ve mastered interpersonal optics and you’ve been a pupil of the sciences for years. You’ve got your sights set on your goal; you want to be an optometrist. First, let me...