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Near the traffic light across from New York Pizza
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N. Prospect Street across from Herkimer town offices
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Eye exams and eyeglasses from the Leading Eye Care Provider in Herkimer and West Winfield, NY


Eyewear in Herkimer and West Winfield at the eye doctor's office 


Look Great in Glasses with Designer frames in Herkimer & West Winfield 


Dr. Donald Knapp is your local eye doctor serving all of your family’s vision care needs. Dr. Knapp provides quality eye care services and vision care products in Herkimer and West Winfield; we truly care about the health of your eyes. We provide comprehensive vision care to all family members.

We are conveniently located in Herkimer, NY, and West Winfield, NY, and service Mohawk, Richfield Springs, Ilion, Frankfort, Little Falls, Utica and the entire Mohawk Valley region.

We stock Designer Eyeglass Frames and Sunglasses and Contact Lenses including Contacts for the ‘hard-to-fit patient’. We offer comprehensive eye exams, emergency treatment for eye emergencies of all types and manage your care for ocular diseases.

Our Herkimer County optometrist firmly believes in individualized eye care. No two patients are alike, and our staff makes sure that each and every patient feels welcome and comfortable.

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Advanced Eye Care

Our comprehensive eye care services include eye health examinations, pediatric eye exams, cataract assessment and follow up, visual field examinations, custom contact lens fitting, Lasik co-management, vision therapy with low vision, and in-house retinal and glaucoma screenings.

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Amazing Eyewear

Our optical team stays stay on top of fashion trends and we carry the latest lenses and fantastic frames including the largest local selection of quality such as Luxotiica, Safilo, Tura, Silver Dollar, Otego, Carrera, Ted Baker, Fossil, Juicy Couture, Kate Spade, Vogue, DKNY, Michael Kors and Wiley X.

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Dr. Knapp on Cataracts

Q & A with Dr. Knapp: All of your questions answered. What are warning signs for cataracts? Is there anything I can do to avoid getting cataracts? Does diet play a role? Lifestyle? Once you have gone through cataract surgery, is the correction permanent, or can cataracts reappear?...and more.

Read Dr. Knapp's full Cataracts' Q&A

Meet Our Eye Doctor


Dr. Donald Knapp, Optometrist

"As a Doctor of Optometry, part of my commitment to my patients is ongoing professional education.  As technology and the world around us changes, I have to keep up-to-date, because I have to provide the best care possible for your eyes." Dr. Knapp received his Doctor of Optometry degree in 1981 from the SUNY College of Optometry in New York City. Following receiving his degree, Dr. Knapp returned to the Mohawk Valley where he had been born and raised. He began with an office in West Winfield. In 1987 he joined...

Great Eyewear and Eye Care in Herkimer & West Winfield NY!

Dr. Donald Knapp, has been serving the Herkimer County community, including Herkimer, West Winfield Ilion, and Little Falls for over 30 years. We take the time to get to know you, your history and your needs. From the time you enter our offices in Herkimer and West Winfield, our friendly, dedicated, caring eye care staff want to make your visit as pleasant and helpful as possible.

West Winfield (315) 825-4059 Herkimer (315) 219-4420

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A good contact lens fit starts with a thorough eye exam to ensure the most up-to-date prescription and rule out any pre-existing conditions that could interfere with contact lens wear.

We offer a wide selection of contact lenses including disposable soft contact, bifocal/multifocal, toric, and colored lenses. Whether you wear daily, weekly or monthly disposables, or conventional lenses, check out our selection and even order online!

Contact Lens Services

Dr. Knapp's Hours in Herkimer and West Winfield

Herkimer Office:

Monday: 8:30 AM – 7:00 PM
Tuesday: 8:30 AM – 5:00 PM
Wednesday: 8:30 AM – 5:00 PM
Thursday: 8:30 AM – 5:00 PM
Friday: Closed
Saturday: Closed
Sunday: Closed

West Winfield Office:

Monday: 10:00 AM – 4:00 PM
Tuesday: 9:00 AM – 7:00 PM
Wednesday: Closed
Thursday: 10:00 AM – 4:00 PM
Friday: 9:00 AM – 5:00 PM
Saturday: Closed
Sunday: Closed

Knapp Herkimer map


Knapp West Winfield


In case of a eye or vision medical emergency Dr. Knapp can be reached at (315) 794-8657