Figure 3 of Khan, Mol Vis 2011; 17:971-976.

Figure 3. Patient IV:4 – left esotropic Duane retraction syndrome. A: In primary position, a left esotropia can be appreciated. There is also slight ptosis. B: During attempted right gaze, the left eye retracts. C: During attempted left gaze, there is a significant abduction defect of the left eye.