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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
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.
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.