Some neurologists receive subspecialty training focusing on a particular area of the fields, these training programs are called fellowships years.
All cardiologists study the disorders of the heart, but the study of adult child heart disorders are trained to take care of people heart disease.
Pathology is the study of disease, it is the bridge between science & medicine. Also it underpins every aspect of patient care, from diagnostic testing.
The credentials include a degree in medicine, followed by additional four to five years of ophthalmology residency training programs may require.