An orthopedic doctor is a board certified M. D. who specializes in problems - from head to toe - of the musculoskeletal system. This includes, of course, the spine. An orthopedist might address conditions such as ruptured discs, scoliosis or other types of neck or low back pain.
Hearing Aid Specialist Salary: Factors of Influence. Hearing aid specialist salary is highly variable, ranging from a mean of $22,350 per year for the lowest 10%, to upwards of $80,950 for the top 10%.
Optometrist techs earned average annual salaries of $29,920, according to the BLS. The middle half made between $22,400 and $36,110 per year. Those in the bottom 10 percent earned less than $18,620 annually.