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.
Textbook Answers Worlwide statistics state that the average size for an Asian male is 6 inches, a white male 6.5 inches and a black male 6.75 inches. The study from the Journal of Urology has an average erect penis size of 5.08, but what is small is certainly a subjective comment.