An optometrist is a healthcare professional who specializes in eye care. They perform eye examinations, diagnose vision problems, and prescribe corrective lenses such as glasses or contact lenses. Optometrists also provide treatment for certain eye conditions and can detect signs of systemic diseases through eye exams. In addition to vision correction, optometrists educate patients about eye health and preventive care. They may refer patients to other specialists, such as ophthalmologists, for more complex eye surgeries or treatments. Overall, optometrists play a crucial role in maintaining and improving visual health.