One of the best resources on the internet for parents and patients who want information about the connection between vision and learning or vision rehabilitation and vision therapy is the Visionhelp Blog and the Vision & Learning Project, both creations of the Vision Help Group. The Vision Help Group is a group of leading Optometrists in the United States dedicated to vision development and vision rehabilitation.
They have an excellent YouTube channel with informative and well produced videos that provide excellent education for people looking for information on visual disorders that can impact learning and how those orders can be effectively treated.
To give you a taste, here is an interview with Wendy Rosen, a teacher and author of The Hidden Link Between Vision and Learning: