Abstract
According to the Brazilian Board of Ophthalmology [Ottaiano et al. 2019], 30% of the world population under 40 either need or will need prescription glasses due to the increasing prevalence of nearsightedness and astigmatism. In Brazil, where population has reached 208 million, numbers are daunting, and the portion of the population who suffer from myopia stand between 23 and 74 million; …