Muraayada PC, oo sidoo kale loo yaqaan "filimka bannaan", sababtoo ah iska caabintiisa aadka u wanaagsan, waxa kale oo uu leeyahay muraayad caadi ah oo loo yaqaanno galaas aan xabadu karin.Muraayadaha polycarbonate aad bay ugu adkaysanayaan saamaynta, ma jabin doonaan.Waxay 10 jeer ka xoog badan yihiin dhalooyinka ama caaga caadiga ah, taasoo ka dhigaysa inay ku habboon yihiin carruurta, muraayadaha badbaadada, iyo dhaqdhaqaaqa bannaanka.
Muraayadaha horumarka, mararka qaarkood loo yaqaan "no-line bifocals," waxay tirtiraan khadadka muuqda ee bifocals-dhaqameedka iyo trifocals waxayna qariyaan xaqiiqda ah inaad u baahan tahay muraayadaha akhriska.
Tags:lens bifocal, lens horusocod ah, 1.56 pc lens