A routine eye checkup is a simple yet important preventative measure to maintain healthy vision. During the checkup, an eye care professional will examine your eyes and evaluate your visual acuity, eye muscle coordination, and eye health. They will use various tests and instruments to check for any signs of refractive errors, such as nearsightedness or farsightedness, as well as eye diseases such as glaucoma and cataracts. Early detection of these conditions is key to preventing vision loss, as many eye diseases have no noticeable symptoms in their early stages. . A routine eye checkup can also help identify other health issues, such as high blood pressure or diabetes, as these conditions can affect the eyes.