Dynamic Improvements in Visual Function after the Tenotomy and Reattachment Procedure: Model Predictions and Patient Data

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Dynamic Improvements in Visual Functionafter the
Tenotomy and Reattachment ProcedureModel
Predictions and Patient Data
Will TR Prevent Missing the Bird

• L.F. Dell'Osso1-3, Z.I. Wang1,3, and S. Prakish1
• The Daroff-DellOsso Ocular Motility Laboratory1
  Louis Stokes Cleveland Department of Veterans
  Affairs Medical Center and CASE Medical School,
  Departments of Neurology2 and Biomedical
  Engineering3, Case Western Reserve University,
  Cleveland OH USA

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Human Data
Bad Target Timing Poor Target Acquisition
Half Speed
Lt gt 2 s
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Human Data
Good Target Timing Fast Target Acquisition
Half Speed
Lt 0.8 s
Also Good Pursuit Gain!
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Human Data
Same Patient, Different Pursuit Gains vs.
Direction
Half Speed
Lt gt 2 s
Bad Pursuit Gain Poor Target Acquisition
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Human Data
Eye Switching Contributes to Longer Lt
Half Speed
Lt 1 s
INS Strabismus Poorer Target Acquisition
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Model Simulation
TR Broadens and Improves NAFX and Lowers Target
Acquisition Time
Half Speed
Lt 1 s
Bad Target Timing Still Poorer Target
Acquisition
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Fast Target Acquisition, Good Pursuit, VOR,
Eye-Hand Coordination
Copper Hunting 2000
Copper Water Trial 2000
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Seeing Faster Improves Visual Function and is
Necessary for Most Activities in a Full Life
TR means seeing MORE, BETTER, and FASTER, but...
I may still miss the bird!