Optometrists (also known as Doctors of Optometry in the US and Canada for those holding the O.D. degree[1] or Ophthalmic Opticians in the UK[2][3][4][5][6][7]) are medical professionals who provide primary eyecare through comprehensive eye examinations to detect and treat various visual abnormalities and eye diseases.
A Cardiothoracic surgeon in the U.S. is a physician (D.O. or M.D.) who first completes a general surgery residency (typically 5â7 years), followed by a cardiothoracic surgery fellowship (typically 2â3 years).
4.) Residency programs vary in length depending on the field. For neurosurgery 7 years is typical. To become a brain surgeon you need to take the following steps: 1.) Graduate from high school and apply and get accepted to a university.2.) At a 4 year university get good grades (average is about a 3.5), do well on an admissions test (MCAT) and apply to medical schools.3.) Attend a 4 year medical school.o become a brain surgeon you need to take the following steps: 1.) Graduate from high school and apply and get accepted to a university. 2.) At a 4 year university get good grades (average is about a 3.5), do well on an admissions test (MCAT) and apply to medical schools.