What do you usually do when feeling uncomfortable in the eyes? A suggestion often ignored is to make an appointment with your optometrist. On March 23rd, as in the World Optometry Day, we attempt to raise awareness of the optometry and vision care, and also remind people to attach importance to optometry. This article explains how optometry works, what optometrists do, the importance of optometry, and how to care for your vision, in order to help you learn more about optometry.