Like most healthcare professions, the education and certification of optometrists is regulated in most countries. Optometric professionals and optometry-related organizations interact with governmental agencies, other healthcare professionals, and the community to deliver eye- and vision-care.
The average length of an erect penis is 5.16 inches (13.12 centimeters) and the average circumference is 4.59 inches (11.66 centimeters), according to a new analysis of penis length studies involving more than 15,000 men around the world.
average penis size there are no average length figures for teenagers because people grow at different rates for adults the average penis size is about 14 16cm 5 5 6 3 inches when erect the average girth for an erect penis is 12 13cm 4 7 5 1 inchesa penis would only be considered unusually small if it was less than 3 inches 7 6cm long when erectthe measurements are based on a review of 50 studies on penis size conducted since 1942 which between them have measured 11531 penisesverage penis size there are no average length figures for teenagers because people grow at different rates for adults the average penis size is about 14 16cm 5 5 6 3 inches when erect the average girth for an erect penis is 12 13cm 4 7 5 1 inches