2006-07-14 21:04:15 · 2 answers · asked by SHAKEEL ASHRAF 2 in Health ➔ General Health Care ➔ Other - General Health Care
Bifocal lenses have dedicated clear cut sections of the glass for reading. Progressive lenses blend the two types together. It really depends on if Bifocals bother you or not. In general bifocals are better and clearer for reading.
2006-07-14 21:09:00 · answer #1 · answered by Jud R 3 · 0⤊ 0⤋
digital Lenses: it relatively is the way the lenses are synthetic. The layout of the lenses is created in a "mold" on the front of the lens (like an off the shelf inventory merchandise) and your prescription is further onto the back of the lens. this would be a greater precise or larger definition technologies than the analog approaches of classic lenses. unfastened variety: those are like having a custom suit made. Your prescription AND the layout of the lens (how your prescription is positioned in the lens to grant you the terrific ingenious and prescient eg better examining section) is digitally transferred to the back of the lens. in case you have a extreme prescription or various astigmatism or choose the terrific lens technologies obtainable then unfastened variety is a thank you to circulate.
2016-10-07 22:50:48 · answer #2 · answered by banowski 4 · 0⤊ 0⤋