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.
It is the American Optometric Association which closely monitors the facts regarding salary for optometrists. In the recent data from AOA, the annual income of an optometrist can range within $120,000 up to $175,000. The median for the income in bigger cities is within $150,000. On the other hand, $100,000 up to $130,000 is a decent income for those who are not practicing within major cities.