What is PRCD-PRA and PLL ?
Progressive Rod Cone Degeneration - PRA
Breeds Affected: American Cocker Spaniel, American Eskimo Dog, Australian Cattle Dog, Australian Shepherd, Australian Stumpy Tail Cattle Dog, Chesapeake Bay Retriever, Chinese Crested Dog, Cockapoo, Cocker Spaniel, Finnish Lapphund, Golden Retreiver, Goldendoodle, Labradoodle, Labrador Retriever, Poodle (Toy and Miniature), Nova Scotia Duck Tolling Retriever, Portuguese Water Dog, Swedish Lapphund, Yorkshire Terrier
PRCD is the progressive degeneration of photoreceptors (rods and cones) in the dog’s eye causing degenerative abrasions of the retina, resulting in blindness. PRCD is a late onset form of PRA, however there is variation of the age of onset between the many breeds it affects. Variation in the time of onset is due to a combination of genetic and environmental factors.
The initial symptom of PRCD is usually night blindness, as the degeneration of the retina affects the rods, reducing visual abilities in dim lights. Night blindness usually progresses to day blindness quickly, as the cones in the eye sensitive to bright lights deteriorate. Sadly, PRCD regularly leads to total blindness, for which there is no treatment or cure.
Primary Lens Luxation
Breeds Affected: Chinese Crested Dog, Jack Russell Terrier, Jagd Terrier, Lancashire Heeler, Miniature Bull Terrier, Parson Russell Terrier, Patterdale Terrier, Rat Terrier, Sealyham Terrier, Tenterfield Terrier, Tibetan Terrier, Volpino Italiano
Primary Lens Luxation (PLL) is a well-recognised, painful and blinding inherited eye condition that affects many breeds of dogs. In affected dogs the zonular fibres which support the lens breakdown or disintegrate, causing the lens to fall into the wrong position within the eye. If the lens falls into the anterior chamber of the eye, glaucoma and loss of vision can quickly result.
Breeds Affected: Chinese Crested Dog, Jack Russell Terrier, Jagd Terrier, Lancashire Heeler, Miniature Bull Terrier, Parson Russell Terrier, Patterdale Terrier, Rat Terrier, Sealyham Terrier, Tenterfield Terrier, Tibetan Terrier, Volpino Italiano
Primary Lens Luxation (PLL) is a well-recognised, painful and blinding inherited eye condition that affects many breeds of dogs. In affected dogs the zonular fibres which support the lens breakdown or disintegrate, causing the lens to fall into the wrong position within the eye. If the lens falls into the anterior chamber of the eye, glaucoma and loss of vision can quickly result.