Nurse-midwives must pass a national examination and be certified by individual states. RDs and nutritionists may have either a bachelors or a masters degree, as long as the degree is from an accredited program. They diagnose vision abnormalities, provide a variety of corrective vision measures, and treat many eye-related illnesses. Many ODs are generalists, but they have the opportunity to specialize if desired. A few states are beginning to look at granting licensed pharmacists limited prescription rights.
PAs are also able to prescribe medications, depending on state licensing laws.
Many PAs are generalists, but a significant number specialize in pediatrics, emergency medicine, etc. Significant patient care experience receives major consideration from the admissions committees of most PA programs. Psychology Clinical psychologists and counselors assess and treat a variety of mental disorders. They work with individuals, families, and therapy groups depending on their specialty.