Primary lens luxation (PLL)
Description
In primary lens luxation (PLL), the lens of the eye comes loose from its normal position. The breeding programmes approved by DWV check for PLL in two ways. With a DNA test, from birth and once, mandatory for, among others, the Jack Russell Terrier, the Parson Russell Terrier, the Tibetan Terrier and the Australian Cattle Dog. For the Shar Pei it is a combined DNA test for Primary Open Angle Glaucoma and Lens Luxation (POAG/PLL). Through the general eye examination. There the breeding advice is positive for clear with clear, conditionally positive for clear with suspect, and the other combinations are subject to a breeding ban.
Inheritance pattern
Autosomal recessive, according to the breeding programme. A carrier has a 50% chance of passing the variant on to its offspring; an affected dog passes it on to all its offspring. In most breeding programmes the breeding advice is positive when at least one parent dog is clear; the other combinations are subject to a breeding ban.
Breeds in which this condition occurs
We are rebuilding the health information for each breed from the official breeding programme of Dierenwelzijn Vlaanderen (Animal Welfare Flanders). Until then, you can find the mandatory and recommended health tests for this breed in the breeding programmes under the Flemish Breeding Decree (Fokkerijbesluit). View the official breeding programmes
