Binder DR, Herring IP, Gerhard T (2007). "Outcomes of nonsurgical management and efficacy of demecarium bromide treatment for primary lens instability in dogs: 34 cases (1990-2004)". Journal of the American Veterinary Medical Association. 231 (1): 89–93. doi:10.2460/javma.231.1.89. PMID17605669.
Lazarus J, Pickett J, Champagne E (1998). "Primary lens luxation in the Chinese Shar Pei: clinical and hereditary characteristics". Veterinary Ophthalmology. 1 (2–3): 101–107. doi:10.1046/j.1463-5224.1998.00021.x. PMID11397217.
Binder DR, Herring IP, Gerhard T (2007). "Outcomes of nonsurgical management and efficacy of demecarium bromide treatment for primary lens instability in dogs: 34 cases (1990-2004)". Journal of the American Veterinary Medical Association. 231 (1): 89–93. doi:10.2460/javma.231.1.89. PMID17605669.
Lazarus J, Pickett J, Champagne E (1998). "Primary lens luxation in the Chinese Shar Pei: clinical and hereditary characteristics". Veterinary Ophthalmology. 1 (2–3): 101–107. doi:10.1046/j.1463-5224.1998.00021.x. PMID11397217.
Peiffer, Robert L. Jr. (2004). "Diseases of the Lens in Dogs and Cats". Proceedings of the 29th World Congress of the World Small Animal Veterinary Association. Retrieved 2007-02-22.
Petersen-Jones, Simon M. (2003). "Conditions of the Lens". Proceedings of the 28th World Congress of the World Small Animal Veterinary Association. Retrieved 2007-02-22.