There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the bodyâs exterior.
The starting salary for optometrists with less than a year of experience typically ranges from $57,810 to $102,129 a year according to Payscale. These professionals earn bonuses in the average amount of $500 per year. The hourly rate for professionals with less than a year of experience is between $39.09 and $54.38.
The remainder worked in physicians' offices, health care stores or outpatient care centers. As of 2011, the average hourly wage for optometrists came to $51.79, or $107,720 for a year of 40-hour weeks, according to the BLS. Annual wages ranged from $51,690 at the 10th percentile to $183,980 at the 90th percentile. The BLS expects jobs for optometrists to increase by 33 percent between 2010 and 2020 as the aging population has a greater need for eye care.