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Keywords:

  • canine;
  • cataract;
  • complications;
  • outcome;
  • phacoemulsification;
  • vision

Abstract

Objective  To describe the postoperative complications and visual outcome after phacoemulsification in dogs and identify risk factors for complications.

Animals studied  One hundred and three dogs (179 eyes) that had phacoemulsification with or without intraocular lens (IOL) placement including foldable acrylic IOLs between March 2006 and March 2008 at Purdue University Veterinary Teaching Hospital.

Procedure  Medical records were reviewed and occurrence and dates of postoperative complications were tabulated. Visual status at the final recheck during the study period was recorded. Additional information including signalment, diabetes mellitus status, operative complications and factors, presence of prior lens induced uveitis, preoperative retinopexy, and cataract stage was collected.

Results  The majority of eyes were functionally visual (148 eyes, 82.7%) at the end of the study period. Blindness was seen in 18 eyes (10.0%) with reduced vision in 13 eyes (7.3%) at the final recheck. Postoperative ocular hypertension (22.9%), corneal lipid opacity (19.0%), uveitis (16.2%), intraocular hemorrhage (12.3%), retinal detachment (8.4%), and glaucoma (6.7%) were the most common postoperative complications seen in eyes. The odds of blindness were significantly greater (OR = 290.44) in the eyes of Boston terriers compared with mixed breed dogs and with each year of increasing age (OR = 2.00).

Conclusion  The prognosis for vision after phacoemulsification with injectable IOL placement is good. Boston terriers were at much higher risk for certain complications.