So i want to order my contacts (Acuvue Oasys) online, but my BC is 84140 and the only option is 8.4 or 8.8 (for right eye). Technically, it's 8.4 right? What do the other numbers at the end mean? And does it matter if I just get the 8.4?
См. статью: Does the BC on contact prescription have to exactly match? ordering online?