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.
the average girth for an erect penis is 12 13cm 4 7 5 1 inches a penis is only said to be unusually small if it is less than 3 inches 7 6cm long when erect these measurements were based on a review of 50 studies on penis size conducted since 1942 which between them have measured 11531 penises