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.
Geography. As with other healthcare specialties, some states offer optometrists and ophthalmologists better pay. The AMGA's figures show that the North and West paid optometrists better than the East and South. The BLS has South Dakota leading the way, with an average salary of $148,640 for its optometrists.