Visual factors affecting reading
Clarity of Sight (Visual Acuity) What you see and how clear it is.
Accommodative Function. How accurately you focus on what you are looking at, how well you maintain this focus and how quickly you can change your focus. Inefficiencies will lead to difficulties copying off the board, grinding to a halt after a limited spell of reading, or difficulty with smaller text.
Binocular Vision. How well the eyes work together as a team and how well they continue to work when the system is stressed. Even subtle problems can stop a child from reaching their potential. Often causes loss of place or missing words/doubling back
Ocular Movement Skills. How accurately the eyes move. Includes pursuit tracking and convergence. These are key factors to following the line and locating the next line. Difficulty can affect the flow of reading.
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