Dr. Korthals & Associates is a family eye care practice serving Mason City, Lake Mills, and surrounding North Central Iowa communities. With two clinic locations, the practice provides care for patients at different stages of life, combining thorough examinations with diagnostic technology, including OCT and retinal imaging, to assess eye health and support healthy vision.

Services include comprehensive and pediatric eye exams, contact lens exams and fittings, diabetic eye exams, emergency eye care, and diagnosis and management of eye diseases. The team also offers care for age-related macular degeneration and dry eye, with personalized treatment plans that may include low-level light therapy, medicated drops, supplements, or in-office technology. Additional services include specialty eye care, migraine glasses, and consultations for laser eye surgery.

Patients can shop for glasses and sunglasses, browse contact lens brands, order contact lenses, and purchase dry eye products through the practice. Dr. Korthals & Associates also shares educational resources on eye health, common symptoms, seasonal protection, and the effects of digital devices