Sight can be improved because eyes and brain can be trained.
20/20 is usually considered perfect vision but the truth is that it is possible to achieve better than that.
In some sports sight is essential for a world-top performance. Baseball is a perfect example. After a visual training program, baseball players have improved vision to 20/7,5.
It’s really sharp.
Imagine you can see something clearly at a maximum of 7.5 feet (2,3 meters).
They can see it perfectly at 20 feet (6,1 meters)!
See you tomorrow for more “Useless information”
also see the post: @kyusho/eye-health for related content