Foundation Three
When the Eyes Can't Support the Brain
20/20 vision is just the first measurement. Real visual learning depends on how the eyes move.
Vision screening measures acuity — whether a child can read a chart at twenty feet. It does not assess how well the eyes move, work together, or feed information to the brain.
Learning success depends on eye movement and coordination, not just visual clarity. There is a difference between sight(visual acuity, 20/20 vision) and vision (the brain's processing of visual information — movement, coordination, timing, and interpretation).
Five Core Ocular Motor Skills
Fixation
Holding the eyes steady on a target.
Smooth Pursuits
Following moving objects smoothly.
Saccades
Quick, precise eye jumps between points — the foundation of reading.
Convergence / Divergence
Eyes turning inward or outward for near and far tasks.
Accommodation
Changing focus between distances without strain.