By middle age, most people have age-related declines in near vision requiring bifocals or reading glasses. An emerging technique called hyperopic orthokeratology may provide a new alternative for restoring near vision without the need for glasses, according to a new study.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/4...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/4...