Guys,Both lenses claim same features they have.I m confused to decide which one to pick.Can u pls tell me the difference between crizal sapphire uv and crizal prevencia?In my country this lenses are not available.Thats why i m going to bring it from USA and need ur kindly help.Pls dont delete this thread :( What i want from lenses that have best non glare performance and i use pc about 8 hours daily so i need a healthy lens. Thanks in advance ;) ;)