In several previously published articles1 comparisons were made between the properties of the ordinary standard lens forms and those of various widely advertised and exploited copyrighted or patented lenses. In these papers it was always my purpose to show how the ophthalmologist could combat the commercial domination of ophthalmic lens forms by designating in every prescription the exact coflexure, type, style and color of the glasses, matters that are nearly as important to the comfort of the patient as the dioptric power, and an essential part of the prescription. It is obvious that it is not to the best interest of those concerned to allow the patient and the optician to decide which is the best form, color or style in which the lenses should be ground. The trained optician will adjust the poles of the lenses to the visual lines of the eyes, place them at
COWAN A. NEWER FORMS OF BIFOCALS. Arch Ophthalmol. 1934;11(4):611–616. doi:10.1001/archopht.1934.00830110029003
Customize your JAMA Network experience by selecting one or more topics from the list below.