TESTING CHILDRENS VISUAL PERFORMANCE
 
 

Convergence and Divergence

This is the ability of both eyes to team together to point accurately at the same point in space.

Success in this skill ensures accurate eye positioning to see targets clearly and singularly..

Deficiencies in accurate eye teaming can lead to occassionally seeing double vision, frequent loss of place when reading, headaches with concentrated tasks, and a loss of attention.

   

Accommodation

This is the ability of both eyes to change focus on objects at various distances.

Success in this skill ensures rapid and accurate changes in focus from distant to near objects and vice versa.

Deficiencies in accommodation can result in slow focussing from the desk to the board and vice versa.

     
 
 

Saccades

This is the ability of both eyes to move fixation accurately from one target to another.

Success in this skill is useful for moving the eyes effortlessly along the lines of text in a book, and accurately returning the eyes back to the begnning of the next line of text in a book. 

Deficiencies in fast and accurate eye muscle control can result in children losing their place when reading, skipping lines of print or missing words on a line and have difficulty copying from the board.

 
 
 

Ocular pursuits

This is the ability of both eyes to accurately follow and track an object or moving target.

Success in this skill is useful typically in fast moving sports.

Deficiencies in the ability to follow an object smoothly and accurately can result in excessive head movements when reading and difficulties with sports.