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At Marbun Optometry & Associates, our goal is to provide exceptional customer service to all of our patients. We take pride in our personalized care and strive to spend the necessary time with each patient to ensure a comfortable experience.

​​​​​​​We're a sincere company with a straightforward vision. With us, vision care goes far beyond a simple eye examination.

Meet The Doctors
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Dr. Riolan Marbun

Riolan Marbun received a B.A. in Psychology with a minor in Biology then graduated from Nova Southeastern University, College of Optometry with a Doctorate of Optometry degree. His honors include graduating Magna Cum Laude for his B.A. degree and Cum Laude for his O.D. degree. ​​​​​​​


Dr. Marbun, who has been in practice since 2002, specializes in General Optometry, Dry Eyes, and Contact Lenses. He is a member of the American Optometric Association, the California Optometric Association, and the San Diego County Optometric Society. ​​​​​​​


Dr. Marbun grew up in Nashville, TN, the youngest of three kids. After graduating, he practiced in Nashville from 2002 to 2009, and in 2009 moved to San Diego. Outside of work he enjoys Beach Volleyball, Running, Surfing, and traveling. He also does volunteer work with Big Brothers of San Diego and Lions Optometric Vision Clinic.

Dr. Jeffraym Espinoza

Dr. Espinoza attended San Diego State University and graduated with a Bachelor’s Degree in Biology. He later attended and graduated from the Southern California College of Optometry at Marshall B. Ketchum University in Fullerton California.


As a local San Diegan, Dr. Espinoza strives to provide his community with the best vision, ocular health, and eyewear style. When he’s not seeing patients, he enjoys making espresso drinks, collecting vinyl records, pc gaming, and now learning how to surf.

  • Services
    Comprehensive Eye Exam Pediatric eye exams Contact Lens Exam Ortho K Myopia Management Dry Eye Treatment Glaucoma Testing Cataracts Eye Emergencies Low Vision Demodex Pink Eye Macular Degeneration What to Expect During an Eye Exam Refraction Test Refractive Surgery Co-Management Corneal Refractive Therapy
  • Contact Lenses
    Keratoconus and Your Treatment Options Contact Lens Exam Ortho K Scleral Lenses Types of Daily Contact Lenses Speciality Contact Lenses Corneal Refractive Therapy
  • Eyeglasses
    Understanding Computer Vision Syndrome Considering Your Face Shape When Choosing Eye Glass Frames Lens Technology EnChroma Lens Technology
  • Vision Therapy
    Vision Therapy Sports Vision Amblyopia
  • Eye Health
    Best Foods for Eye Health How Exercise Benefits the Eye Importance of Routine Eye Exams How Your Eyes Change with Age Eye Safety Tips Seasonal Allergies And The Eyes Common Eye Disorders Explained
  • Surgical Procedures
    Implantable Contact Lenses Benefits of LASIK Limbal Relaxing Incisions iDesign Custom Lasik Am I a candidate for LASIK? LASIK Procedure Cosmetic Services Understanding PRK Which Patients are Good Candidates for Premium IOL Can Diet Reverse Diabetic Retinopathy Eye Disease Treatment Why Should You Consider Eyelid Rejuvenation LASIK Surgery Overview of Visian ICL
  • Products
    OCuSOFT Products We Offer
  • Eye Surgery Co-Management
    Am I a candidate for LASIK?
  • Ocular Disease Management
    Diabetic Related Eye Exams
  • Technology
    Optikam Optical Coherence Tomography Lipiflow Neurolens Blephex Optomap Visual Field Tonometer
All Eye
Care Services
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