PHPV – PERSITENT HYPERPLASTIC PRIMARY VITREOUS

The mode of inheritance of PHPV is not so clear, but it is known that it is a congenital condition (present at birth) and that it is not progressive. This means that if a puppy is born with PHPV it can be detected by ophthalmic screening from 6 weeks of age and if it is affected, whatever the condition of the problem at that stage it will not change throughout the dogs life.
Either of the above conditions can be operated on, but it is a serious operation and can be traumatic and very expensive. It is not always covered by insurance due to the hereditary nature.
Even though the genetic test is now available for Hereditary Cataracts it is still important to screen for PHPV.

PPSC – POSTERIOR POLAR SUBCAPSULAR CATARACT

This type of cataracts is found in other breeds, particularly the Labrador and Golden Retriever.
It usually remains as a small, punctuate cataract and doesn’t usually lead to sight problems in these two breeds. It has been placed on schedule 3 of the BVA/KC/ISDS Eye Scheme because a number of Staffords that have been through the Scheme have been found to have this type of cataract. This type of cataract cannot be detected through litter screening. The mode of inheritance is unknown and has a variable age of onset. BREEDING STOCK SHOULD BE TESTED ANNUALLY TO DETERMINE THAT THE DOG IS CERTIFIED CLEAR AT THE TIME OF MATING.


http://www.psbtc.org.uk/
http://www.staffords.co.uk/

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