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.
(Canada). An Optometrist earns an average salary of C$87,781 per year. Most people with this job move on to other positions after 20 years in this field. A skill in Optometry is associated with high pay for this job. For the first five to ten years in this position, salary increases modestly, but any additional experience does not have a big effect on pay.