Persistence
even though he’s injured , he still continues to train
Here's a hyperlink
https://www.brainpickings.org/2012/09/17/the-meaning-of-life/
Main purpose of the American nurse association is to:
I actually have that problem. I have 20/40 vision and my left eye is pretty much blind. I was prescribed glasses so that my sight in my left eye would not get worse. All to say, I would consider glasses to be necessary in this case. It definitely helps in every day life.
I hope this helps and have a great day!! :)