| 摘要 |
<p>Training aid for the treament of strabismus and/or defects in the motory function of the eye. This aid comprises a sensor body having a reaction zone and the means displaceable along a predetermined path by means of motor assembly. A manually displaceable switch actuates the motor assembly and causes the sensor body to move along the path, this switch being responsive to the sensor body to thereby actuate the motor assembly but only when the switch is manually made to lie within the reaction zone of the sensor body.</p> |
