Visual Training is the process of teaching the eyes to work in a co-ordinated fashion. This can be anything from teaching a patient to go cross eyed to complex computer games. The biggest factor in visual training is to make it interesting and fun for the patient.
Looking Smart Optometrists do mainly home based therapies which are cheaper for the patient and works with most children. Visual training can decrease headaches and increase concentration.
It is a valid and well respected practice but does involve a number of hours of the optometrist and the patient working together towards the goal of improvement of sight.