FocusSpecs Brown Variable Focus 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 close. The glasses are plastic and require double lenses for each eye, as a result they are functional and not meant to be fashionable. These glasses are also one size fits all - and are not meant to be an ideal fit for each personapos;s head. The glasses work for spherical errors ranging from .5 - 4.5. These glasses do not work for astigmatisms or long distances. THESE GLASSES WILL NOT WORK IF YOU VISION IS OUTSIDE OF THIS RANGE OR IF YOU HAVE ASTIGMATISM.