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.
Salaries for Optometrists. According to the U.S. Bureau of Labor Statistics (BLS), the median salary of an optometrist in May 2014 was $113,010, with most making between $52,270 and $132,580 per year. Offices of other health practitioners employed the most optometrists, and these employers paid optometrists an average wage of $109,430.