Experience Clearer Vision Today
Enhance your visual experience with care that is concise, considerate, and comprehensive from our optometrists at Dayna L Yim and Associates, LLC located inside the Portland Oregon Costco.
Comprehensive Eye Care Services
Spectacle Glasses Prescriptions
We provide precise prescriptions for your spectacle glasses. Our team conducts thorough eye exams to ensure your glasses meet your vision needs.
Customized Contact Lens Prescriptions
Our experienced optometrists craft contact lens prescriptions tailored to your unique eye needs (sphere, astigmatism, multifocal, monovision, and gas permeables), ensuring optimal comfort and clarity for daily wear.
Cataract Screening
Your eye health assessment includes a cataract screening to monitor and help detect early signs of cataracts. Your optometrist can give you recommendations on how to slow the growth or offer a referral to a trusted specialist for removal.
Glaucoma Screening
Your eye health assessment includes a glaucoma screening to help detect early signs of glaucoma. Early diagnosis can help manage the condition and prevent vision loss. Regular check-ups are important for maintaining optimum eye health.
Digital Eye Strain
Our optometrists provide personalized care and recommend treatments to reduce your eye strain caused by prolonged screen time.
Dry Eye
We provide comprehensive dry eye assessments and tailored treatment plans. Our optometrists use the latest techniques to relieve symptoms and improve your eye health.
Ocular Disease Referrals
Our optometrists provide thorough referrals for various eye diseases to trusted specialists. We ensure you receive the best possible care for conditions affecting your vision.
Our Optometrists
Valentin Ardeleanu O.D.
Dr. Ardeleanu grew up in Southern California and earned his Doctorate of Optometry from the Southern California College of Optometry.
Spoken languages: English, Română(Romanian)
Eric Brown O.D.
Dr. Brown grew up in Tennessee and earned his Doctorate of Optometry from the Southern College of Optometry.
Spoken languages: English
Brian Ki O.D. FAAO
Dr. Ki grew up in Portland and earned his Doctorate of Optometry from Pacific University. Later, he achieved Academy Fellowship from the American Academy of Optometry.
Spoken languages: English
James Nguyen O.D.
Dr. Nguyen is well traveled and grew up in Portland. He earned his Doctorate of Optometry from Pacific Univeristy.
Spoken languages: English, Tiếng Việt(Vietnamese)
Dayna Yim O.D.
Dr. Dayna grew up in Hawaii and earned her Doctorate of Optometry from Southern California College of Optometry. She has worked inside the Portland Costco since 2017.
Spoken languages: English
What our Patients Think
Frequently Asked Questions
Do I need a Costco membership to have an eye exam?
No membership? No problem! Our optometrists provide exams for everyone, regardless of membership status. (Costco membership required for purchasing glasses or contact lenses with Costco Optical.)
How can I schedule an appointment with your optometrists?
You can schedule an appointment by calling our office or by visiting our office located inside the Portland Costco!
Do you accept insurance for eye care services?
Our office is considered an "out-of-network provider". Our insured patients pay out of pocket and submit their itemized receipt to their insurance afterwards for reimbursement.
Do you take walk-ins?
Walk-ins are welcome when available, and you may have to wait to be seen. For the best experience, booking an appointment is highly recommended.
Do you do child eye exams?
Yes, as long as the child knows their letters by sight.
Our Hours
(Hours subject to change during Holidays.)
09:00 AM – 06:00 PM
09:00 AM – 06:00 PM
09:00 AM – 06:00 PM
09:00 AM – 06:00 PM
09:00 AM – 06:00 PM
09:30 AM – 05:00 PM