Thumb Blocking Purpose: To develop degrees of freedom in computing visual space Apparatus: Own thumbs; lenses as prescribed Method: 1. Patient locks fingers together, arms outstretched with thumbs straight up in front of eyes. 2. Patient is to…
Thumb Blocking Purpose: To develop degrees of freedom in computing visual space Apparatus: Own thumbs; lenses as prescribed Method: 1. Patient locks fingers together, arms outstretched with thumbs straight up in front of eyes. 2. Patient is to…