Convergence Insufficiency, Accommodative Dysfunction, and Oculomotor Dysfunction following Concussion/mTBI

  • Double vision
  • Blurring of vision
  • Difficulty changing focus between different distances
  • Trouble sustaining focus at near
  • Loss of place while reading/poor tracking
  • Headache in the forehead or temple
  • Problems with motion sickness and/or vertigo


Visual tracking problems and silent concussions- WHY parents, the public and Optometrists need to know

Post Trauma Vision Syndrome (PTVS)
List of Symptoms

  • Objects appearing to move that are known to be stationary
  • Words in print run together
  • Blurring of vision/difficulty focusing
  • Dizziness
  • Difficulty with balance, gait, and/or coordination
  • Visual motion sensitivity



  • Blurred vision
  • Double vision
  • Visual Field loss
  • Dimming vision
  • Walking/coordination difficulties


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