values, cultural customs, manners and they are not biological but are learnt by experience. Normative-Individual development In pursuing the goal of description, human developmentalists carefully observe the behavior of people of different ages, seeking to specify how human beings change over time.
Optometrists require a four years undergraduate school, so after high school, you have to go to four years of college, and then typically, four years of optometry school as well. So it's a a, it's an eight year program essentially after you after you get out of high school.
a person who practices optometry. An optometrist is awarded the degree of Doctor of Optometry (O.D.) after completion of at least 3 years of college followed by 4 years in an approved college of optometry. A state examination and license are also required. See also optician, optometry.