We appreciate your understanding during these unprecedented times. We are doing our best to comply with recommendations from the CDC, the government, and the American Academy of Ophthalmology.

20/20 Optical will be doing all eyeglass orders & adjustments by appointment only effective May 18th. To schedule an appointment with our Optical staff, please call 507-625-2020.

Due to COVID- 19, we ask that you arrive at your appointment fifteen minutes before your appointment time. You will be stopped at our COVID screening station once you enter the clinic. A series of questions will be asked and your temperature will be taken for you to be able to enter the clinic. If you are a new patient, your paperwork may be completed on our website under “First Visit”. All patients are asked to bring a facemask to wear in the clinic if you do not have one you will be given one. We appreciate you abiding in our safety precautions to keep you, our other patients, and our staff safe.

Learn More

Welcome to

Ophthalmology Associates

A private practice dedicated to providing excellence in eye care
offering a full range of eye care services including complete eye exams, 
sophisticated laser surgery, LASIK and the most advanced technology
in cataract surgery.

Pediatric Eye Care20/20 Optical

Meet Dr. Nathan Carpenter

Dr. Carpenter specializes in comprehensive eye examinations and surgery for adult and pediatric patients.

Learn About LASIK

Our doctors have vast experience performing LASIK surgeries. We would be more than happy to provide further education on LASIK.

Special Financing Promos

We can help you get the vision care you want and need with Wells Fargo, Care Credit, or Alphaeon’s convenient payment plans.

Ophthalmology Associates

Who We Are


Welcome to Ophthalmology Associates, a private practice dedicated to providing excellence in eye care. We offer a full range of eye care services from complete eye exams to sophisticated laser surgery including LASIK and the most advanced technology in cataract surgery. You will find our staff friendly and knowledgeable with your eye health our number one concern.

Ophthalmology Associates has been serving the greater Mankato area for over 50 years. We presently have four highly trained ophthalmologists with an exceptional support staff to serve your medical and surgical needs.


20/20 Optical

At 20/20 Optical, we carry designer frames with local prices. In addition to eye glass frames, we carry a wide variety of contact lens styles and brands. Our knowledgeable staff with a combined average of 25+ years of experience in the industry will help you select the right frames or contact lenses for your needs and lifestyle. Whether your prescription is from Ophthalmology Associates—located in the same building as 20/20 Optical—or from another practice, we are here to help.

Special Discount Pricing for Essential Workers!

Now through August 31, 2020, 20/20 Optical and Ophthalmology Associates & LASIK Center are offering special discount pricing—UP TO 40% OFF—for all essential workers in need of safety eyewear.

Call 507-625-2020 or stop in today & mention code: HEROES

Free Maui Jim Sunglasses!

Any patient that receives a LASIK procedure performed by Dr. Emily Birkholz or Dr. Justin Kuiper will receive one free pair of Maui Jim sunglasses*! We offer interest free financing through Wells Fargo for up to three years! Learn More

*Up to $299 value. Exclusions apply, see clinic for details.

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powered by BirdEye

"I love that I see better now than I ever have before! I can see better than I could with my contacts or glasses."


If you are in doubt about placing a call for your next eye appointment, this is the place. The doctors and staff are very caring and compassionate.


We feel 20/20 Optical offers the very best in friendly, professional and personalized assistance. We have been visiting 20/20 Optical for our eyewear for many years.

Mike & Cindy

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Request An Appointment


For more than 50 years, Ophthalmology Associates has provided personal attention to our patients and the very best in eye care services. Our physicians, technicians and patient staff personnel are committed to making your visits comfortable and convenient while offering a wide range of services and specialty expertise. Please contact us with your desired appointment time and information and we will contact you to schedule your next appointment. We look forward to your visit.

LASIK Surgery


We will contact you via phone to confirm a date and time and schedule your appointment.

LASIK Appointment Request