acvoacvsPets can develop eye problems that may require the care of an eye specialist including cataracts in dogs and cat and dog eye infections.  

The Ophthalmology service for dogs and cats at VSH is well-equipped with an operating microscope, diode and CO2 lasers, and cryosurgery. A new, state-of-the-art phacoemulsifier is available for cataract surgery. We provide eye certification examinations (CERF) for inheritable eye problems in dogs.

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Ophthalmology Services and Procedures

  • Slit-lamp biomicroscopy
  • Applanation tonometry
  • Eye certification exams for inherited eye diseases in pure-bred dogs (CERF)
  • Microsurgery techniques
  • Cryosurgery
  • Indirect ophthalmoscopy
  • Gonioscopy
  • Cataract surgery by phacoemulsification
  • Diode laser treatment for glaucoma, retinal tears, and iris melanomas
  • Electroretinography
Nicole Roybal, DVM, DACVO


Dr. Roybal obtained her Doctorate of Veterinary Medicine from Colorado State University, graduating with honors in 2007.  She then completed a 1-year rotating internship and 3-year ophthalmology residency at the Veterinary Specialty Hospital of San Diego.  

Dr. Roybal enjoys all aspects of veterinary ophthalmology and has training in microsurgical techniques, laser procedures and cryosurgery.  Her special interests include eyelid reconstruction, glaucoma and immune mediated diseases of the eye. 

Dr. Roybal was born and raised in Hawaii and now calls San Diego home, along with her husband, two dogs and two cats. 

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Holly Hamilton, DVM, MS, DACVO


Dr. Hamilton received her DVM from the University of Wisconsin in1989 followed by a year in a small animal private practice. She completed a one-year small animal internship at Washington State University.  She went to Auburn University in 1991 and completed an ophthalmology residency and Master’s degree.  In 1995 she accepted a faculty position in ophthalmology at Louisiana State University.  Dr. Hamilton is a diplomate of the American College of Veterinary Ophthalmologists (1997).  She has been in ophthalmology private specialty practice since 1999 in both Colorado and California.  Dr. Hamilton has published several articles and book chapters in both small animal and equine ophthalmology.  She shares her home with her husband, two sons, and a miniature Poodle and a Terrier mix.