Physical activity places special demands on vision. Whether someone likes to run, bike, hike, play sports, or simply fill their day with a busy day-to-day routine, a clear, comfortable vision is a must. But many contact lens wearers suffer from dryness, irritation, and discomfort during prolonged periods of movement or outdoor exposure. Long hours in front of the screen, wind, dust, and air conditioning can make these problems even more obvious. The good news is that today’s