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. 2009 Jun 5:374–418. doi: 10.1016/B978-072160561-6.50021-6

Table 18-18.

Ocular Signs of Hematologic Disorders in Dogs and Cats

DISORDER OCULAR SIGNS
Monoclonal gammopathy and hyperviscosity

  • Retinal hemorrhages (small or large)

  • Dilated tortuous retinal veins with irregular filling (“boxcar” appearance)

  • Conjunctival hemorrhages

  • Massive intraocular hemorrhages (rare)
Thrombocytopenia and thrombopathy

  • Subconjunctival, preretinal, intraretinal, and subretinal hemorrhages

  • Hyphema

  • Secondary retinal detachment
Severe anemia

  • Retinal and vitreous hemorrhages

  • Secondary retinal detachment
Polycythemia Dilated and tortuous dark red to brown conjunctival and retinal blood vessels, retinal hemorrhages and detachment, uveitis and chorioretinitis
von Willebrand's disease

  • Retinal hemorrhages

  • Retinal detachment

  • Conjunctival petechiae