Category: background

public info re: background

Harmon Distance

Research on human ergonomics has determined that the optimal visual distance for reading and other close work is the Harmon Distance or “Elbow Distance”. This distance is measured by placing a closed fist under the chin and resting the elbow…

VSP: Visual Signal Processing

It is almost impossible to know exactly ‘how’ vision works in the brain. We can begin to break down actual brain functions by studying behaviour, but nowadays technology allows us to get closer still to what is really going on.…

Cook’s 7 Visual Abilities

THE 7 VISUAL ABILITIES Dr. David Cook is a leading speaker and clinician working with visual neurorehabilitation. In Dr. Cook’s clinic in Marietta, Georgia, he uses Optometric Vision Therapy to train seven different visual abilities, what I call ‘Cook’s 7…