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Gerull Labs LLC (G-Labs) Modern Vision Therapy resources for Apple iPad.

Hand Tracing-Shapes

Description of the Left and Right Hand Tracing - Shapes exercise in the Opto vision training app for iPad. 

< Back to Stereoscope Exercises

Left/Right Hand Tracing - Shapes

Developed exclusively for Opto. Available now for iPad!


This Cheiroscopic Tracing exercise presents a simple line drawing to one eye. The Patient is then asked to look though the Stereoscope for iPad and trace over the line line with a stylus. The vision care specialist can then compare the tracing to the image to make assessments on spacial perception. Exercise for tracing with right hand and exercise for tracing with left hand sold seperately.

Each exercise contains 6 levels with progressivly complicated tracings.

Tip: Do this exercise standing up! This exercise makes excellent use of the Stereoscope for iPad in a vertically mounted position. The Stereoscope for iPad stand features a strong magnetic base that can be attached to any flat magnet-friendly surface such as a magnetic which board or filing cabinet.

Required hardware: Stereoscope for iPad

How to Purchase: Available as an in-app purchase in Opto, the vision training app for iPad. Download Opto and find "Left Hand Tracing - Shapes" and "Right Hand Tracing - Shapes" in the in-app library of exercises. Available as an individual exercise ($3.99 USD each) or at a discounted rate when purchased with other exercises in "Expansion Bundle 1" ($79.99 USD).


Tracing exercises always record a screenshot of the patient's drawing. Like all activities in Opto, the date and duration of the exercise is also logged. A patient assessment will be recorded if the user is signed into his/her personal profile. 



Sample screenshots:


Download Opto for iPad to access the "Left Hand Tracing - Shapes" or "Right Hand Tracing - Shapes" exercise.