Add this tool to your computer
so it has its own icon and opens like a normal program.
Add this tool to your Mac's Dock:
Tap a step above to jump to it
Tap the eye you are planning for.
Tap the picture where the visual axis should be. Tap again to change it.
To move it a little, use the arrows. Each press moves it one grid square (0.2 mm).
Press and drag on the picture in a circle to turn the lens.
Or use these buttons:
Check the picture and the numbers below. If they are right, press Print.
To save as a PDF, choose Save as PDF in the print window.
Exact figures (you can type here)
Choose an eye on the left