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Related Experiment Videos

Lens luxation in a CD-1 mouse

Y Takizawa1, K Sakasai, T Harada

  • 1Mitsukaido Laboratories, Institute of Environmental Toxicology, Ibaraki, Japan.

Experimental Animals
|July 1, 1996
PubMed
Summary

Lens luxation occurred in a CD-1 mouse, causing secondary eye conditions. This case highlights anterior lens luxation and its pathological consequences in the affected eye.

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Area of Science:

  • Ophthalmology
  • Veterinary Medicine
  • Mouse Models

Background:

  • Lens luxation is a condition where the eye's lens displaces from its normal position.
  • Ocular abnormalities can significantly impact vision and eye health.

Observation:

  • A male CD-1 (ICR) mouse presented with clinical signs of ocular disease.
  • Ophthalmologic examination revealed a conical cornea, anterior synechia, and corneal neovascularization in the right eye.
  • The lens was observed to be dislocated heterocentrically within the posterior chamber.

Findings:

  • Histopathological examination confirmed anterior lens luxation.
  • Adhesions between the iris and cornea (anterior synechia) were noted.
  • Corneal changes, including neovascularization, were consistent with secondary glaucoma.

Implications:

  • This case highlights a rare spontaneous ocular condition in a common laboratory mouse strain.
  • Understanding spontaneous lens luxation is crucial for accurate interpretation of ophthalmology studies in mice.
  • Further research may elucidate the genetic or environmental factors contributing to this condition.

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