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.
But this is not all, because according to the environment settings, the salaries in the field of optometry vary as well. The median annual salary for an optometrist in the United States is of $97,800 but as mentioned earlier, according to each state and the location salary varies.