Journal of Ophthalmology / 2015 / Article / Fig 2

Research Article

Fusional Vergence Detected by Prism Bar and Synoptophore in Chinese Childhood Intermittent Exotropia

Figure 2

Comparison of fusional vergence detected using a synoptophore between patients with IXT and normal subjects. The mean convergence amplitudes were significantly lower for children with IXT compared with normal children (22.62 ± 2.15 versus 30.19 ± 1.95 pd, ). No significant difference was observed in the divergence amplitude between children with IXT and normal children (8.98 ± 1.82 versus 8.15 ± 0.44 pd, ). The distance between recovery and break points for both convergence and divergence was larger for patients with IXT compared with normal controls (convergence: 14.18 ± 1.79 versus 7.89 ± 1.09 pd, ; divergence: 5.56 ± 0.71 versus 3.36 ± 0.28 pd, ).

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