Student - Multifocals: How We Got Here and Ideas For the Future - COO 4442 (1 EG)
Expires 2027-11-27, COO 4442 (1 EG) Multifocals and progressive addition lenses (PAL) were a radical shift in presbyopia correction. The glass bifocal was the accepted method of correction for over 100 years. The first proposal of a PAL was in ...
