Was this optometrist a specialist in developmental optometry? If not, you may want to take him to one who is because they will do extensive testing and give detailed recommendations. We just went through this with DS. It was over 2 hours of testing and the DO was able to figure out my son's eyes still don't work well together after surgery and he has focusing issues as well as possible motor control issues. He didn't give us any exercises to do yet at home - recommended an OT eval first before doing VT.