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Effect of oculomotor rehabilitation on accommodative responsivity in mild traumatic brain injury

This study by Preethi Thiagarajan, BS Optom, MS, PhD and Kenneth J. Ciuffreda, OD, PhD aims to assess the effects of oculomotor training on accommodative dysfunction following mild traumatic brain injury. The research involves 12 individuals with near vision-related symptoms who undergo oculomotor training or placebo training, with significant improvements noted in accommodation dynamics, amplitude, and visual attention after the OMT. The results suggest the potential for positive effects of such rehabilitation on accommodative responsivity, demonstrating brain-visual system plasticity in adults with compromised brain function.

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Effect of oculomotor rehabilitation on accommodative responsivity in mild traumatic brain injury

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  1. Effect of oculomotor rehabilitation on accommodative responsivity in mild traumatic brain injury Preethi Thiagarajan, BS Optom, MS, PhD; Kenneth J. Ciuffreda, OD, PhD

  2. Aim • Evaluate range of dynamic (objective) and static (subjective) measures of accommodation. • Relevance • Accommodative dysfunction is common oculomotor sequelae of mild traumatic brain injury (mTBI).

  3. Method • Subjects: • 12 nonstrabismic individuals with mTBI and near vision-related symptoms. • Evaluation: • Measures of accommodation before and after training. • Training: • Oculomotor training (OMT) or placebo training. • 6 wk, 2 sessions/wk, 3 h/session.

  4. Results • After OMT: • Dynamics of accommodation improved markedly. • Clinically significant increase in maximum accommodative amplitude both monoculary and binocularly. • Near vision symptoms reduced along with improved visual attention. • After placebo: • No measures changed significantly.

  5. Conclusion • These results provide evidence for significant positive effect of accommodatively based OMT on accommodative responsivity. • Such improvement suggests oculomotor learning, demonstrating considerable residual brain-visual system plasticity in the adult compromised brain.

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