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. 2017 Sep 25;9:123–131. doi: 10.2147/OPTO.S126214

Figure 4.

Figure 4

Example of environmental changes for a child with a left null zone (A). The child can be seated to on the right side of the classroom/television to place the eyes into the left gaze for a more comfortable head posture (B).

Abbreviation: AHP, abnormal head posture.