This optical illusion dares you to spot all the hidden faces in just five seconds. Look closely, the answer reveals far more ...

Put your perception to the test with today's eye-bending riddle! Can you spot the elusive '574' lurking among a sea of '374's? The secret lies within the middle digit, an easy detail to overlook.

—These quiz questions about dry eye disease (DED), also called keratoconjunctivitis sicca (KCS), are derived from current literature. Are you up to date? At the end of the quiz, compare your score ...

Dry eyes, or dry eye syndrome, is a common condition that occurs when tears don’t adequately coat your eyes. Over time, this can lead to inflammation and damage to the eye’s surface. Factors that can ...

In the wild you need to be able to spot danger from any angle, but can you spot which eye belongs to which animal? Take this quiz to find out!

Most of these quiz questions about dry eye disease are derived from recent literature and workshop updates. Test your currency with this topic by taking this quiz. At the end, compare your score with ...