Visual information processing including identification and discrimination, spatial awareness, memory, and integration with other senses. Eye movements require the highest level of movement precision. Well-integrated eye movements allow for rapid and accurate shifting of the eyes along the lines of print in a book, quick and accurate shifts from desk to chalkboard, and sure visual tracking in sports. Inadequate eye movement control will cause an individual to lose their place when reading, have difficulty copying from the blackboard, and skip or omit small words when reading. Accommodation - Focusing Ability Rapid and automatic visual focusing is essential to efficient performance.
Visual focus is also directly related to the ability to sustain visual attention.
In addition, visual focusing difficulties will make it more difficult for an individual to focus their attention and will contribute to attention deficit hyperactivity disorder. The human visual system is designed so that the eyes and their reciprocating muscles can work to such a high degree of teaming that the two eyes perform as one. This skill is intimately related to eye movement control and focusing ability. Deficiencies in eye teaming will cause an individual to use excess effort when focusing for reading and writing and will reduce their ability to sustain visual attention. Deficiencies in eye-hand coordination will make handwriting more difficult or fatiguing, and may also affect overall sports performance.