The term "retinal blood vessel" refers to the network of vessels that carry blood to and from the retina. There are several synonyms for this term, including retinal vasculature, inner retinal circulation, retinal microvasculature, and retinal capillary network. These terms all describe the same network of blood vessels, but are typically used in different medical contexts or to emphasize particular aspects of retinal vasculature. Regardless of the term used, the health of retinal blood vessels is crucial for maintaining clear vision and preventing ocular diseases like macular degeneration, diabetic retinopathy, and retinal vein occlusion.