So I was hanging out at Walgreens one day and noticed that there are several models of otoscopes for sale in the pharmacy aisle. The cost of one ran anywhere from $25 to as much as $50 which is quite cheap compared to the "doctor" model which typically is a Welch Allyn and costs several hundred dollars. I was curious to see how good or bad these OTC otoscope models are compared to the Welch Allyn otoscope I use. Here are the models I decided to use for comparison (as seen on Amazon.…