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.
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.