The Alexander Vision Center assist families of children with visual impairments or blindness. Referrals to our clinic should come from school nurses, physician's offices or public health agencies. Families are required to complete an application for screening and treatment. Specific income guidelines apply. Signs your child may need glasses: holding items or printed text/books close to their eyes, sitting too close to the television, getting tired often and rubbing their eyes, frequent headaches, watery eyes.