<Li> Both hypertension and diabetes mellitus can cause damage to the tiny blood vessels that supply the retina, leading to hypertensive retinopathy and diabetic retinopathy . </Li> <Li> Retinoblastoma is a cancer of the retina . </Li> <Li> Retinal diseases in dogs include retinal dysplasia, progressive retinal atrophy, and sudden acquired retinal degeneration . </Li> <Li> Lipemia retinalis is a white appearance of the retina, and can occur by lipid deposition in lipoprotein lipase deficiency . </Li>

What are the characteristics of images formed on the retina