I.up [美 əp, 英 ʌp]副up often appears as the second element of certain verb structures in English (back up, pick up, sit up, etc). For translations, see the relevant verb entry (back, pick, sit, etc).
The company website allows consumers to look up the fair market cash price for thousands of medical procedures, diagnostic tests, medications and other services.
Historically, the only corrective option was wearing bifocals that allow for close viewing, as well as far-viewing capabilities when you look up from the bifocal area.