Have you ever had those moments of self-awareness, like being aware that you’re breathing or that you’re blinking? Allow us to introduce a new one to you: you are now aware that your eyes are wet. Why are eyes wet? The physical makeup of eyes may be kind of odd when you first think about them. Those little globes responsible for showing you the world around you are complex mechanisms — you have a lens system that receives and processes light, a muscle that dilates depending on how much light they take in, and they are full of fluid.
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Quick mental exercise: we’re going to give you a word, and we want you to think about what you associate with that word. Ready? Summer. We’ll give you a second. Now that you’re back, what did you think of? For us, summer beckons sunscreen, shorts, flip flops, barbeques, no school, fresh fruit, and without a doubt: sunglasses. Sunglasses are a common thing to come by and for good reason — they are the absolute best way to protect your eyes from harmful UV rays from the sun.
For 96% of the world, the world is a vibrant, colorful place. Outside of old black and white movies, our eyes see and recognize roughly 10 million different shades of color. Let that sink in for a second — 10 million. And yet, there’s a very good chance the 10 million colors you see are just a tiny bit different from the 10 million colors your friend sees. How does this work?