1. Place the clear acetate sheet on the paper that will be traced.
2. Sit at a desk and position the assignment about 40cm away from your eyes.
3. Place the patch over your stronger eye and hold the marker in your writing hand.
4. Slowly trace the design or drawing that was placed under the acetate sheet.
5. Ensure there is no over-shooting or under-shooting of eye movement.
6. Ensure proper working distance and normal head position.
7. Do not go outside the lines.