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).
3.) You will attend a 4 year medical school. Near graduation you will need to apply for a residency program at a graduate school of medicine. 4.) Once in a residency program it will depend upon which field you enter as to how long your residency will be. Some are 3 years such as family practice.Surgeons can be in a residency program for 4 to 5 years.Once you are in a residency program you can specialize in your chosen field. So the total time to become a brain surgeon or Neurosurgeon, not counting high school, is roughly 12 years.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 you will w â¦ ork towards a bachelors degree in pre-medicine or pre-health with at least a GPA of 3.5 or better.