August 2020

Just because we work with human eyesight, it doesn’t mean we can’t appreciate some of the unique eyes in nature. Depending on how they hunt (or avoid being hunted), where they live, and even how big they are, animals have a wide array of vision adaptations that human eyes don’t have. Let’s take a look […]

What comes to mind when you think of a school nurse’s office? We’re guessing your list probably includes vinyl recovery beds, jars full of wooden tongue depressors, and the big E eye chart. For over a century and a half, that big E chart (officially called the Snellen chart) has been an excellent diagnostic tool […]