Making time to catch the latest Netflix hit? Easy. Making time to visit the eye doctor? Surprisingly difficult. Enter: Online eye exams — because if you can do it from your couch, why wouldn’t you?

Regular eye exams are important in detecting early signs of diabetic retinopathy to prevent vision loss. Since diabetic retinopathy doesn’t cause symptoms in its early stages, diagnostic testing can ...

Eye-tracking tests can detect brain trauma deficits in patients more than a decade after their last concussion.