The AKC breed standard emphasizes overall balance and health in excess of precise coat color shades. However, for show hopefuls, some subtle variations could be considered. Cataracts and progressive retinal atrophy are problems that have an affect on the eyes and vision. Check for visible signs of cataracts, for instance https://johnathanxdgik.wikififfi.com/1456408/indicators_on_retriever_labrador_bebe_you_should_know