Colin Craig

Night driving can become more challenging when headlights appear painfully bright, streetlights develop halos or road markings seem harder to see. Lower light levels naturally make visual tasks more demanding. However, an outdated prescription, dirty or damaged lenses and certain eye conditions can make the problem worse. Why Is Night Driving More Difficult? At night, there is less contrast between objects and their surroundings. Your pupils become larger to allow more light into the eyes,...

A headache does not automatically mean that you need new glasses. Headaches can have many causes, and persistent or severe symptoms should be discussed with an appropriate health-care professional. However, vision problems and improperly fitted eyewear can sometimes contribute to headaches, blurry vision and eye strain. Here are a few possibilities worth investigating. Your Prescription May Have Changed Vision can change gradually. Because the brain is very good at adapting, you may not...

Many people wait until they can no longer read road signs or find themselves holding a menu at arm’s length before booking an eye exam. However, eye exams are not only about deciding whether you need new glasses. A comprehensive exam can assess your prescription, visual function and the health of your eyes—even when your vision seems perfectly clear. General Eye-Exam Recommendations For low-risk people without symptoms, the Canadian Association of Optometrists recommends the following general...