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We have three convenient locations - two located in Polk County and the third in Lincoln County

Central Vision Clinic

405 Boyd Lane
Monmouth, OR 97361
Phone: (503) 838-1244

Fax: (503) 837-1047

Mon, Tues, Wed, Thu 8AM - 5PM
Fri 8AM - 4PM

Sat 9AM - 12PM (variable, call to confirm)


Dallas Vision Clinic

506 Main St
Dallas, OR 97338
Phone: (503) 623-9233

Fax: (503) 837-1047

Mon, Tues, Wed, Thu 8AM – 5PM

Fri 8AM - 4PM



Waldport Eye Care

525 W NE Willow St
Waldport, OR 97394
Phone: (541) 563-4100


Mon, Tues, Wed, Thu 9AM - 5PM
Fri 9AM - 1PM

*hours subject to vary




About Us


Routine Exams


We provide primary Optometric care for the purpose of checking vision, screening for eye disease, and/or updating eyeglass or contact lens prescriptions in a comfortable, family-friendly setting. We are always welcoming new patients.

Optical Services


We offer a Full Optical with a wide variety of standard and designer frames. We also offer a selection of prescription and non-prescription sunglasses. We provide high-quality lens options at affordable prices.

Contact Lens Fittings


We fit and dispense standard and specialized contact lenses including: soft, hard (RGP) and scleral lenses. We provide a range of different brands and modalities: extended wear, daily, toric (for astigmatism), colored, UV protective, transitions, and multifocal lenses.

Binocular Vision & Vision Therapy


Our offices provide specialized care for pediatric patients with vision problems such as amblyopia (lazy eye), strabismus (eye turn), and ocolumotor disfunction (reading problems). Our doctors also help with local and school vision screenings to help diagnose these problems early. We also help adult patients suffering from eye strain and computer vision syndrome

Ocular Allergies & Dry Eye


We help diagnose and treat patients with uncomfortable, itchy, watery, red, gritty, burning eyes by providing relief through medications, in-office procedures, and lifestyle management.

Ocular Disease Management


Our doctors diagnose and manage conditions such as age-related macular degeneration, glaucoma, cataracts, diabetic retinopathy, and keratoconus. We also make referrals to an ophthalmologist easy when surgery is necessary. We provide pre and post-op care for laser (LASIK) and cataract surgery. We also help patients with low vision aids when required.

Our Services
Ocular Emergencies


Our doctors serve patients with eye injuries, eye infections, foreign bodies, and sudden vision loss. We recommend all patients suffering from such conditions seek optometic care as soon as possible to prevent long-term vision loss. We also perform minimally invasive procedures for lumps and bumps of the eyelids.


Years of Experience


Clinic Locations


Doctors of Optometry


Happy Staff


Dr. Gary Knowles

Established Dallas Vision Clinic in 1982

Gary is largely retired from Optometry, but he is still heavily involved in the business. He spends the remainder of his time with his wife, Rose, golfing, traveling, and serving those in need of vision care on eye missions trips. 

Dr. Roseanne Knowles

Established Central Vision Clinic in 1983

Rose is also largely retired from Optometry, but she too, stays involved with the offices and fills in when needed. She spends the remainder of her time golfing, traveling, studying the Bible, and serving those in need of vision care on eye missions trips. 

Dr. Garrett Knowles

PUCO Graduate 2011

Garrett, the eldest son of Gary and Rose, joined his parents in the family practices in the summer of 2011. He spends his time outside of Optometry working as a handyman, thrift shopping, golfing, snowboarding, and spending time with his wife, Terri, and dog, Otis.

Dr. Wade Knowles

PUCO Graduate 2015

Wade also received his Doctorate of Optometry from Pacific University and joined the family practices in the summer of 2015. During his internships he practiced primary care, ocular disease, co-management, and private practice Optometry. In his spare time he likes to fish, travel, cook, golf, and spend time with his wife, Amy. 

Dr. Grant Knowles

PUCO Graduate 2015

Grant also received his Doctorate of Optometry from Pacific University and joined the family practices in the summer of 2015, along with his twin brother, Wade. In his spare time he likes fishing, shooting, grilling, traveling, golfing, and spending time with his wife, Laurel, and their dog, Rooster.

Our Dentists


I've been treated by Rose at the Clinic for several years and have found her to be a very skilled professional. She listens carefully, and is pleasant to work with. The office staff are very friendly folks.

I had a nice experience and they're relaxed with payments and adjustments. Loved it

I really enjoyed the service I have received from this clinic. All of the staff I came in contact with had a very positive attitude and was easy to work with. I enjoyed my time with one of the doctors named Garrett. He gave me a lot of good advice and I felt that his examination was thorough. I highly recommend that anyone brings their business to this clinic.

Everyone is so kind. Never thought getting glasses could be so relaxing. Thank you

Probably the best eye checkup I've ever had. Everyone from the receptionist, assistant, doctor, and optician were very professional and friendly!! Great prices, thorough exam and pretty speedy turn around for my glasses! (Lots to choose from too!)

Email or to provide feedback and testimonials

Success Stories



We participate with VSP, Medicare, Eyemed, Blue Cross, MODA, and Oregon Health Plan, etc. Check with our staff if you have other coverage.


Our staff speaks both English and Spanish.

*English only at our Waldport location


We accept Cash, Personal Checks, Debit Card, MasterCard®, Visa®, Discover®, Capital One®, Chase®, and Flex Spending Accounts.

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Contact Us

Note: at this time we do not book appointments or discuss concerns over email. For these types of requests, please call our office. 

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