OA Corner: Occupational Lenses

**Last month, we looked at progressive power lenses (PPLs) and their advantages and disadvantages.** There are other lenses we can dispense to presbyopic patients, which can in some cases be a better option than PPLs – or progressive addition lenses (PALs). These are known as occupational lenses, and include occupational progressive additional lenses (OPALs), enhanced readers, occupational bifocals and single vision intermediate lenses.



هذه الصفحة متاحة فقط لأعضاء الرابطة الدولية لأخصائيي البصريات (IOA). من أجل مشاهدة المقال كاملاً، يرجى تسجيل الدخول أو التسجيل.