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Eyelid malformation in four cockatiels
N C Buyukmihci1, C J Murphy, J Paul-Murphy
1Department of Surgery, School of Veterinary Medicine, University of California, Davis 95616.
Summary
Eyelid maldevelopment, potentially ankyloblepharon or cryptophthalmos, affects cockatiels. Surgical attempts to correct this condition were unsuccessful, suggesting a widespread issue in the United States cockatiel population.
Area of Science:
- Avian ophthalmology
- Veterinary surgery
Background:
- Congenital eyelid malformations can impact vision and ocular health in birds.
- Understanding the prevalence and characteristics of such conditions is crucial for avian welfare.
Observation:
- Four unrelated cockatiels presented with varying degrees of eyelid maldevelopment, with only one of eight eyes being normal.
- The observed condition exhibited features consistent with ankyloblepharon or cryptophthalmos.
Findings:
- Surgical attempts to create an artificial palpebral fissure were performed.
- Despite surgical intervention and corticosteroid treatment, the eyelid skin reverted to its original state in all cases.
Implications:
- The findings suggest that this eyelid maldevelopment, though uncommon, may be widespread in the United States cockatiel population.
- Further research is warranted to understand the etiology and potential genetic basis of this condition in cockatiels.