Most people over the age of 45 who wear glasses for distance have increasing difficulty focussing on near objects. You need longer arms! One solution is to wear plain reading glasses. These are great for reading, but when you look up, everything in the distance is blurred. Bifocal lenses partly solve this by having a distance and a reading portion in one lens. However, some people do not like the visible appearance of the two lenses ... ... and objects at mid distances may still be blurred. Progressive lenses are much more attractive to look at ... ... and give clear vision over a range from distance to close up.