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Related Experiment Videos

Persistent hyperplastic primary vitreous (PHPV) in two Siberian husky dogs

J Ori1, T Yoshikai, S Yoshimura

  • 1Ori Animal Hospital, Yao, Osaka, Japan.

The Journal of Veterinary Medical Science
|April 3, 1998
PubMed
Summary

Persistent hyperplastic primary vitreous (PHPV) in dogs is diagnosed using ophthalmoscopy and ultrasonography. This condition causes lens capsule opacity and retrolental changes, potentially leading to cataracts.

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Area of Science:

  • Veterinary Ophthalmology
  • Canine Eye Diseases

Background:

  • Persistent hyperplastic primary vitreous (PHPV) is a congenital developmental anomaly of the eye.
  • It can lead to vision impairment and secondary complications such as cataracts.

Observation:

  • Ophthalmoscopy revealed opaque posterior lens capsules in mildly affected Siberian husky eyes.
  • Severely affected eyes showed opaque posterior capsules with vascularization and retrolental changes.
  • Ultrasonography demonstrated characteristic echographic patterns, including linear hyperechoic lines and funnel-shaped opacities.

Findings:

  • Clinical diagnosis of PHPV was confirmed via ophthalmoscopy and ultrasonography in three canine eyes.
  • Distinct ophthalmoscopic and ultrasonographic findings correlated with the severity of PHPV.

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  • Progressive cataract formation was observed, necessitating intervention.

    • Implications:

    • Accurate diagnosis of PHPV in dogs can be achieved through non-invasive imaging techniques.
    • Understanding the clinical and echographic features aids in early detection and management.
    • Phacoemulsification may be considered as a diagnostic and therapeutic approach for PHPV-induced cataracts.