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Eye exams and eyeglasses from the Leading Eye Care Provider in Herkimer and West Winfield, NY

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Dr. Donald Knapp: Your Local Eye Doctor in New York

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 West Winfield optometrist accepts a number of Insurance plans to help cover the cost depending on your individual needs. Visit us at one of our vision centers today! Call (315) 825-4059 for West Winfield or (315) 219-4420 for Herkimer to make an appointment.

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

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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?

Our Designer Optical

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

Man and Woman Wearing Michael Kors Designer Eyewear

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

Meet Our Eye Doctor Near You
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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...

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 of contact lenses!

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Man wearing contact lenses, smiling

Patient Testimonials

What's New?

How to prevent conjunctivitis and protect your eyes When you have a virus, especially one that causes a hacking cough, runny nose, and other symptoms...
Countless people around the world wear daily disposable contact lenses or dailies. These popular single-use lenses are removed and discarded at the end of each...
An online eye exam is an automated and interactive vision test that claims to measure mainly visual acuity. It may seem like a convenient way...
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Eye Emergencies

If you experience loss of vision, double vision, swelling, infection or any eye emergency, contact us immediately for guidance. We’ll help you with the best treatment to prevent complications and promote long-lasting clear eyesight.

In case of an eye or vision medical emergency during business hours, Dr. Knapp can be reached at
315-794-8657. Use your best judgment on urgency, if you feel your need to find the nearest emergency room.

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Great Eyewear & Eye Care in 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
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COVID-19 Update: What to Expect in Our Office

Our Commitment to Health and Safety. Read our safety protocols here.