Using underpowered reading glasses or not using them can hinder providing the retina and brain with the sharpest possible visual signals.

“it's probably ideal to give your retina and your brain the sharpest visual signals you can so why hamstring your retina and your brain and your vision and your enjoyment and ability to read or do near work by constantly undercutting the the the reading glasses or leaving them out or you're not helping the whole back part of your maybe you're maybe you're helping the lens but you're definitely not helping your retina and brain by feeding it blurry information all of that time”