9 points
If they look the same, you are prescribed the weaker of the two, to avoid overcorrection, which can worsen your eyesight over time.
2 points
I haven’t done a test since I was a child because I generally do fine, but I wonder if some people need additional instruction about what to look for. Like the two “look the same” because they don’t know what to look for. Maybe just a “Is the apostrophe a line or a dot? Okay, how about now?”
