/b/veterinary-nursing-news/posts/aht-dna-test-stamps-out-disease-which-blinds-petit-basset-griffon-vendeens The Animal Health Trust reports that a DNA test it developed in 2015 for primary open angle glaucoma (POAG), a painful condition which eventually leads to blindness in the Petit Basset Griffon Vendeen, appears to have stamped out the disease. Whenen-USTelligent Community 10