Nystagmus is a rare condition that involves rapid, uncontrollable eye movements that could cause them to go up and down (vertical nystagmus), side to side (horizontal nystagmus), or in circles (torsional nystagmus). According to the Cleveland Clinic, it can be...

It’s safe to say that clear vision is important to have. It’s how we take in vast amounts of information, helping us to understand the world. Yet sometimes it can become blurry—fuzzy around the edges of what we’re looking at—and...