As we reach middle age, particularly after age 40, it is common to start to experience difficulty with reading and performing other tasks that require near vision. This is because with age, the lens of our eye becomes increasingly inflexible, making it harder to focus on close objects. This condition is called presbyopia and eventually it happens to everyone who reaches old age to some extent.
Orthokeratology, or "ortho-k," is the process of reshaping the eye with specially-designed rigid gas permeable contact lenses. The goal of ortho-k is to flatten the front surface of the eye and thereby correct mild to moderate amounts of nearsightedness and astigmatism.
Sports eyewear can give you the performance edge you're seeking for just about any sport (tennis, racquetball, etc.) or recreational activity (hunting, fishing, etc.). It can also provide the safety and eye protection you need as well.