Retinal hemorrhage is a condition in which the innermost lining of the eye has a local or generalized area of bleeding into that lining. The causes of retinal hemorrhage are usually genetic and breed specific.
Symptoms include blindness, bumping into objects, bleeding in other body parts, small bruises throughout the body, blood in urine and feces, whitish pupil, pupil may not contract even in bright light. Sometimes though, the condition could be asymptomatic.
Some breeds are more at risk including Shetland Sheep Dogs, Collies, Labrador Retrievers, Australian Shepherds, Sealyham Terriers, Bedlington Terriers, English Springer Spaniels and Miniature Schnauzers