Have a look at these quick posts and videos on refractive states: Emmetropia, Myopia, and Hyperopia. (Astigmatism video in the works…)
The refractive state is all-important in determining the physical and cognitive reach of a child. Learn more here, and sign up at visionmechanic.net to be notified when our first online course is ready for enrolment. The first short course will be free and will include these items, and a few other goodies!
Stay tuned for much more!