The right lung has 3 lobes: Right upper lobe, middle and lower lobe. The left lung has 2 lobes: Left upper lobe (the lingula anatomically corresponds to the middle lobe on the right) and lower lobe.
How much money do optometrists make? According to recently released statistics the average salary payable to an optometrist is $118,000, while this is given as a nationwide average there are at least 50% of optometrists who are not achieving this salary level.
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.