Dr. Korthals And Associates

Dr. Korthals And Associates Family Eyecare for all ages. We treat all types of disease and emergencies. Specialiaty contact lenses including bifocal contact lenses and CRT.

Welcome to Dr. Korthals and Associates, where we strive to provide our patients with the highest quality eye care in a family based setting. We maintain the most advanced technology and equipment available to ensure your best possible outcome. Our goal at Dr. Korthals and Associates is to provide much more that just glasses and contact lenses, but to preserve your eye health which will enhance your lifestyle.

Noticing floaters or flashes of light? These could signal a retinal tear or detachment. Don't wait—contact your eye care...
02/19/2026

Noticing floaters or flashes of light? These could signal a retinal tear or detachment. Don't wait—contact your eye care professional for an urgent evaluation and protect your vision.

https://mikekorthalsod.com/

February is AMD Awareness Month. Age-related macular degeneration is a leading cause of vision loss. Early detection can...
02/18/2026

February is AMD Awareness Month.

Age-related macular degeneration is a leading cause of vision loss. Early detection can make a difference—schedule regular eye exams to help protect your sight. Learn the signs, spread awareness, and prioritize your eye health today.

https://mikekorthalsod.com/

Shorter days and longer nights might mean more eye strain, especially during evening activities like reading, screen tim...
02/12/2026

Shorter days and longer nights might mean more eye strain, especially during evening activities like reading, screen time, or night driving.

Keep your eyes feeling fresh and comfortable all season long 👁️🍂. With the right habits, you can reduce eye strain and enjoy your favourite evening activities.

Have questions about your vision or need a prescription update? Book a visit with us today!

https://mikekorthalsod.com/

Don’t skip sun protection just because it’s cold—your eyes deserve care all year round!Even in winter, UV rays can harm ...
02/11/2026

Don’t skip sun protection just because it’s cold—your eyes deserve care all year round!
Even in winter, UV rays can harm your eyes, especially through glare. Protect your vision with sunglasses that block 100% of UVA & UVB rays.

https://mikekorthalsod.com/

If you experience frequent changes to your prescription, you could be dealing with an underlying vision problem, systemi...
02/05/2026

If you experience frequent changes to your prescription, you could be dealing with an underlying vision problem, systemic health factors, age-related vision changes, or variations in your refractive errors.

It is crucial to maintain regular eye exams, and allow your eye doctor to screen for common health conditions. Being proactive can make the difference between keeping or losing your vision—book your check-up today!

https://mikekorthalsod.com/

February is Low Vision Awareness Month. Low vision is a loss of eyesight that can't be meaningfully improved with conven...
02/04/2026

February is Low Vision Awareness Month.

Low vision is a loss of eyesight that can't be meaningfully improved with conventional glasses, contacts, surgeries or other medical interventions. Everyday tasks like reading, driving, or even recognizing faces can be impacted by those who experience low vision. A variety of eye disorders or conditions can lead to low vision, like:
-Diabetes
-AMD
-Cataracts
-Glaucoma
-Birth defects
-Eye injuries

Through comprehensive eye exams, you can help reduce your chance of developing low vision or make the most of your remaining vision. Book now!

Together, we can raise awareness and provide hope.

https://mikekorthalsod.com/

Fun fact: Some eye diseases can be asymptomatic in their early stages. So, routine eye exams are critical for identifyin...
01/29/2026

Fun fact: Some eye diseases can be asymptomatic in their early stages. So, routine eye exams are critical for identifying potential issues before they progress.

Diagnostic tests play a key role in uncovering eye diseases. Your eye care team can detect glaucoma, cataracts, macular degeneration, and more.

Schedule regular eye exams for prompt diagnosis of eye conditions.

https://mikekorthalsod.com/

Back to school after winter break is a perfect time to update your child’s glasses. Whether they need a new prescription...
01/28/2026

Back to school after winter break is a perfect time to update your child’s glasses.
Whether they need a new prescription or a frame refresh, we have everything they need to see clearly and feel stylish. Get them ready to tackle the school year with confidence—book an eye exam today!

https://mikekorthalsod.com/

01/26/2026

Due to staff illness, our Lake Mills location will be closed tomorrow, Jan. 27th. We apologize for any inconvenience.

If you're tired of relying on glasses and contacts for clear vision, LASIK could be your solution. When you visit us for...
01/22/2026

If you're tired of relying on glasses and contacts for clear vision, LASIK could be your solution.

When you visit us for a consultation, we can discuss your options and determine if you're a good candidate for LASIK.

Start your journey to clearer vision today by booking a consultation.

https://mikekorthalsod.com/

Cold weather can absolutely cause or worsen eye problems! Dry air, wind, and indoor heating can contribute to dry eye di...
01/21/2026

Cold weather can absolutely cause or worsen eye problems!

Dry air, wind, and indoor heating can contribute to dry eye disease or other eye conditions.

You can help protect your eyes by:

- Using lubricating eye drops
- Wearing protective glasses outdoors
- Staying hydrated

Keep your eyes comfortable all season long. Try our tips to help avoid symptoms like burning, itching, and blurred vision.

https://mikekorthalsod.com/

Elevate your look and vision with a new pair of glasses or sunnie this new year! Whether for everyday wear or special oc...
01/15/2026

Elevate your look and vision with a new pair of glasses or sunnie this new year! Whether for everyday wear or special occasions, we'll help you find your perfect frame. Find your new favorite—visit us today.

https://mikekorthalsod.com/

Address

422 S Pierce Avenue
Mason City, IA
50401

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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