Thank you for the opportunity to clarify the confusion in our article due to the typographical mistakes related to pupillary (as related to the pupil) and papillary (as related to the ciliary body, sometimes referred to as the papillary muscle).1 The primary mechanism of ocular β-blockers in glaucoma is related to a decrease in the production of aqueous humour. There is, at the same time, some weak evidence that there is also a mild …