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About

Diamond Optometric Center (Diamond Eye Optometry) is a small Simi Valley-based eye care clinic led by Vicki Leung, OD. The practice focuses on comprehensive eye health beyond glasses/contacts, offering personalized care and building lasting patient relationships. Key details: - Location: Simi Valley, CA (2845 Cochran St, Ste D) - Leadership: Owner – Vicki Leung, OD - Team: 2 employees (medical and general management) - Services: Comprehensive eye care (beyond prescription eyewear), eyewear offerings - Website: diamondoptometriccenter.com - Contact: info@diamondoptometriccenter.com; 805-527-6824 / 805-527-9247 - Web presence: Moderate traffic with strong engagement (3.6 pages/visit, low bounce) If you’re seeking a local optometry clinic in Simi Valley with patient-focused care from an OD-led practice, Diamond Optometric Center is a suitable option.

Clinic Type

Optometry

Address

2845 Cochran Street, Suite D, Simi Valley, CA 93065

Phone

805-527-6824

Email

info@diamondoptometriccenter.com

Opening Hours

Mon–Fri 9:00 AM – 6:00 PM; Saturday 9:00 AM – 2:00 PM; Sunday Closed; Wednesday Closed

Emergency Care

Emergency care not specified

Services Offered

  • Comprehensive eye exams
  • Eye care for ocular diseases
  • Advanced technology in eye care
  • Management of ocular diseases
  • Lasik (listed as a service)
  • Eye health
  • Designer frames
  • Eyeglasses and contacts
  • Eye care information and resources

Technology & Equipment

  • Advanced technology in eye care

Team

  • Dr. Joanne Parungao, Doctor of Optometry — O.D.

Insurance & Payment

  • See Insurance plans we accept

Languages Spoken

FAQs

What are your office hours?

Monday–Friday 9:00 AM – 6:00 PM, Saturday 9:00 AM – 2:00 PM, Sunday Closed; Wednesday Closed.

Do you offer designer frames?

Yes, see the designer frame brands we carry.

Can I reorder contact lenses online?

Reorder contact lenses option is available.

Do you offer comprehensive eye exams?

Yes, comprehensive eye exams are offered.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye: 4.2 out of 5 stars (39 reviews)
  • Healthgrades: 5.0 out of 5 stars (3 ratings)

Patients praise

  • Doctor is described as knowledgeable and caring
  • Many patients praise the friendly and informative nature of the doctor and some staff members
  • Comprehensive eye care and good selection of eyewear reported by patients
  • Willingness of management to address and rectify past concerns

Common complaints

  • Perceived lack of empathy from staff during emergencies
  • Issues with staff professionalism and responsiveness, specifically cited in older reviews
  • Concerns over billing and insurance coverage communication
  • Wait times and scheduling challenges reported by some patients

"Every business has problems — how they choose to correct them shows the true character of the business its self & the people who work there. I appreciate that problems happen — I am very impressed with their willingness to rectify the situation."

Unilocal review of Diamond Eye Optometry

"My husband had a really bad eye infection and needed to go get his eye checked out... he LOVED the experience. He came back raving about how fantastic the optometrist was that she made him feel so comfortable and cared for."

Birdeye review of Diamond Eye Optometry

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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