What are the initials after their name for an eye doctor?

The initials "O.D." after an eye doctor's name stand for "Doctor of Optometry". Optometrists are healthcare professionals who are trained to examine, diagnose, and treat vision problems and eye diseases. They are licensed to prescribe corrective lenses, including eyeglasses and contact lenses, as well as certain types of medications for eye conditions. Optometrists also provide pre- and post-operative care for patients undergoing eye surgery, and may work in collaboration with other healthcare professionals to manage systemic diseases that can affect the eyes.