Myopia refers to an actual eye condition, not just any difficulty seeing. Because of her myopia, Janet couldn't see the whiteboard without her specs.
Pro Tip 2/3
Common Affliction
Many people have myopia; it's a common reason for wearing glasses or contact lenses. The optometrist said myopia is why I struggle to read road signs.
Pro Tip 3/3
Descriptive, Not Insult
Use 'myopia' to describe vision, not to insult someone's intelligence or awareness. Calling his attention to detail 'myopia' is incorrect; he's not literally shortsighted.