Effects of the application of neck pressure by a collar or harness on intraocular pressure in dogs

J Am Anim Hosp Assoc. 2006 May-Jun;42(3):207-11. doi: 10.5326/0420207.


The effect on intraocular pressure (IOP) from dogs pulling against a collar or a harness was evaluated in 51 eyes of 26 dogs. The force each dog generated while pulling against a collar or a harness was measured. Intraocular pressure measurements were obtained during application of corresponding pressures via collars or harnesses. Intraocular pressure increased significantly from baseline when pressure was applied via a collar but not via a harness. Based on the results of the study, dogs with weak or thin corneas, glaucoma, or conditions for which an increase in IOP could be harmful should wear a harness instead of a collar, especially during exercise or activity.

MeSH terms

  • Animal Husbandry / methods*
  • Animals
  • Dog Diseases / epidemiology
  • Dog Diseases / etiology*
  • Dog Diseases / prevention & control
  • Dogs
  • Eye / blood supply*
  • Female
  • Intraocular Pressure* / physiology
  • Male
  • Ocular Hypertension / epidemiology
  • Ocular Hypertension / etiology
  • Ocular Hypertension / prevention & control
  • Ocular Hypertension / veterinary*
  • Risk Factors