Focus Specs Adjustable Reading Glasses (+0.5 to +4.5)
The most flexible readers on the market.These glasses instantly adjust for any reading environment.Helps in any situation, low light, switching from books to computers, etc.Adjust left and right lens separately to gain even better vision up closeWorks for spherical errors ranging from +.5 - +4.5**These glasses do not work for astigmatisms or long distances.Make your spare, someone's first pair! (We donate a pair to the needy with every purchase)