If you need to recognise a particular type of retinal problem in the patterns of the blood vessels, it's the perfect way to learn. (businessinsider.com)
Since the retina is necessary for vision, retinal problems most often manifest as either partial or complete visual deficit. (maxshelpingpaws.org)
These can range from small eyes (micropthalmia) to cataracts, glaucoma, and retinal problems called progressive retinal atrophy. (lbah.com)