As a swim instructor for the past 20 years, I have had swimmers of all ages and abilities. Some wore goggles and some did not. It is not mandatory to wear goggles while swimming. But... for the next few paragraphs, I am going to explain some benefits of wearing them.
Summertime is the most common time of year for kids and adults alike to experience otitis externa (commonly known as swimmer’s ear). This outer ear infection is often caused by water trapped in the ear during swimming or even showering or bathing. The moist conditions created by the trapped water make the ear canal a great place for bacteria to thrive, but swimming isn’t the only cause. While Q-tips are a temptingly easy way to clean out earwax, sticking anything inside the ear canal can scratch the sensitive membrane inside, giving bacteria an entry into the body.