Overview. The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat (pharynx), and voice box (larynx). The respiratory system is lined with a mucous membrane that secretes mucus. The mucus traps smaller particles like pollen or smoke.
About more than 50 percent of optometrists received an annual salary ranging from between $70,140 and $125,460. According to the Bureau of Labor Statistics, the median hourly wage for an optometrist is around $51.42 per hour which averages to about $106,960 per annum.
Optometry Salary by the Numbers. According to the BLS, the average annual pay for salaried optometrists for May of 2009 was $106,960, which is an increase of almost $1,000 from the average annual pay for salaried optometrists for May of 2008, which was $105,200.ptometrist earnings will vary due to basic factors like cost of living in the area, type of work environment, experience, and plenty of other variables as well.