FocusSpecs v2.0 - Adjustable Near-sighted Glasses (-1.0 to -5.0) (Dark Red) by FocusSpecs

Description

Left lens and right lens adjust independently, allowing for more precise vision than common single-focus glasses in pharmacies., The glasses are plastic and require double lenses for each eye, as a result they are functional and not meant to be fashionable., hese glasses work for spherical errors ranging from -1.0 to -5.0. Helps in any situation, low light, switching from books to computers, etc., These glasses do not work for astigmatisms or close distances. THESE GLASSES WILL NOT WORK IF YOU VISION IS OUTSIDE OF THIS RANGE OR IF YOU HAVE ASTIGMATISM., Suitable for headwidths of about 4 - 6 inches (100 - 160 mm). These glasses are also one size fits all - and are not meant to be an ideal fit for each person's head.