Your Eyes and Vision Children's Vision Good vision involves many different skills working together to enable your child not only to see clearly but also to understand what he or she sees. How the Eye Works Our ability to "see" starts when light reflects off an object at which we are looking and enters the eye. Mature Vision Most changes in vision occur in the early and later years of life. Reading and Vision Good vision is vital to reading well. And although vision may not be the only cause of reading difficulties, it is one that is sometimes overlooked. Television and Vision Eye care experts generally agree: Watching television will not harm your eyes or vision if the TV room is lit properly and if you follow a few viewing tips.