An eye dilation is an important process for a comprehensive eye exam. It allows an optometrist to check if there is any vision impairment or other problems in your eye like glaucoma. Whether it is required during your eye exam relies on many factors like—your age, health history, and the risk of eye problems. When an optometrist in North Miami dilates your pupils, they get a much better view of the retina. It helps them examine the optic nerve more clearly. It is very important to examine these things to find, treat, and prevent eye problems like glaucoma, retinal detachment, and age-related macular degeneration.