Health

What is it? Progressive retinal atrophy (PRA) is a hereditary disease of the eye that causes blindness. The retina is the tissue lining the back wall of the inside of the eye and is composed of two classes of photoreceptor cells called rods and cones; the rods function in dim light, and the cones in…

What is it? Luxating means out of place, or dislocated. The patella is the equivalent to the human kneecap and part of the stifle structure, and therefore a luxating patella is a kneecap that moves out of its normal location. The patella normally moves up and down in a groove in the lower femur bone…