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Welcome To Altitude Optometry

Optometrist in Boulder, CO

Altitude Optometry is a locally owned, private Optometric practice located within LensCrafters Optique at the 29th Street Shopping Mall in Boulder, Colorado.

We offer personalized eye care and take pride in giving each patient the individualized attention they deserve.

At Altitude Optometry, Dr. Mortenson and Dr. Fluss provide comprehensive eye exams, contact lens exams, as well as treatment for medical conditions such as dry eyes or emergency eye care. We have exciting new technology, Clarifye, the digital eye exam that shows you more. We also offer Optomap Digital Retinal Imaging as well as LASIK co-management and specialty contact lens fitting. Looking for a new pair of eyeglasses? You’ll also find a wide selection of fashionable frames which are available through LensCrafters Optique.

Meet Our Doctors

Optometrist in Boulder, CO

Dr. Monica Mortenson

Monica Mortenson, O.D. is a native of Michigan. After completing three years of undergraduate work at Michigan State University, she moved to Californ...

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Dr. Briana Lovell

Briana Lovell, O.D. is a native of Illinois. She completed her Bachelor of Arts degree at Augustana College in Rock Island, Illinois. While there, sh...

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CLARIFYE’ s advanced diagnostic technology can help a doctor pinpoint small changes in your eye health over time.

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Comprehensive Eye Exams

On average, we recommend scheduling an appointment once every two years to ensure your eyes are remaining healthy. If you have been diagnosed with an eye condition, however, we recommend scheduling an appointment once or twice a year depending on the severity.

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Dry Eye Treatment

cular Surface Disease, also known as dry eye, can occur from certain medications, naturally by aging, or as a symptom arising from systemic diseases such as Sjogren's syndrome, Rheumatoid arthritis, or Lupus. If you have a minor case of dry eye, you may be experiencing irritation, excessive tearing, fluctuating vision, and/or a burning sensation in your eyes.

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Diabetic Eye Care

Diabetes can affect more than just your blood sugar. It can also do some damage to your eyes if you are not careful.

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Contact Lenses

Nowadays, most people prefer to wear contacts instead of glasses. If you are interested in contact lenses, please let your eye doctor know prior to your appointment. During your exam, we will discuss the various contact lenses available and determine the best option based on your individual needs and lifestyle.

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We will do our best to accommodate your busy schedule. Request an appointment today!

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New Patients


Patient Forms

New Patients

We understand that your first visit to the eye doctor can feel overwhelming and we try to accommodate all new patients with a comfortable and organized facility.

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We have a qualified team of professionals that will work around your busy schedule and address any questions or concerns prior to the appointment.

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Patient Forms

We are dedicated to providing the highest level of service so you can have the vision you deserve.

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Success Stories

I'm 52 years old, and wearing glasses since I was 3. This was the best eye exam I've ever had. Friendly, knowledgeable, and Dr. Fluss took the time to explain the numerous scans and pictures of my eye. A great experience.

Michael B.

This was our the first time to Altitude Optometry as we are new to Boulder, and the staff and eye doctors gave extra care and attention to my two young sons who had not been in for an appointment in several years. Even though it was busy in the office that day, the doctor took the time to thoroughly go over each of their unique vision needs. We will definitely return to this location!

Bridget W.

Best Exam I’ve ever had. Very thorough and well communicated. Dr. Mortenson was wonderful. 100% pleasant experience.

Brian B.

Everyone was friendly and professional. The facility was clean with modern equipment, and Monica Mortensen was knowledgeable, efficient and kind. Great first experience.

Sue B.

Love Dr. Fluss. He’s always very thorough and provides plenty of helpful information. In addition, the eye tech had such a positive, friendly demeanor. My appointment today was an all around great experience. Thank you!

J Lampe

I like this office. They are friendly and professional. They are also incredibly efficient. In the years I’ve been coming here, I don’t think I’ve ever had to wait more than 5-10 min to see the doctor. Great practice!

Otha B.

Wonderful staff. Everyone was incredibly supportive in helping an anxious 6yr old through their visit

Michael S.

The doctor and her staff were great! Very friendly and gentle w the machines that take images via bright blue and green lights. Amazing how you can see the backside of your eyeball. They also were very knowledgeable and confident in providing info and results. I will be back for a follow up in a few weeks, I am sure my next eye exam will be at Altitude Optometry!

Karen R.

Dr. Mortenson and her entire staff are efficient, knowledgeable and very pleasant. Always a great experience

Dana S.

Very kind staff! Very clean and professional. They were also very friendly and made me feel calm and relaxed.

Alex M.

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