 But yet when they go to read, they find it either difficult because they can't see well or it's uncomfortable. And this can really create a bigger issue in their life because sometimes this aversion to learning can create a scenario where they are labeled as slow learners when in fact they're not. Or maybe they choose to act up in their classroom because they don't want to learn and they're labeled as having some kind of behavioral disorder. And so these things can go well beyond their childhood years into their adult years.