Anatomy of the Ocular Vasculatures.- Determination of Ocular Blood Flows with the Microsphere Method.- Laser Doppler Flowmetry in Animals.- Ocular Blood Flow.- Measurement of Ocular Blood Flow: Angiography.- Measurement of retinal vessel diameters.- Laser Doppler Techniques for Ocular Blood Velocity and Flow.- Color Doppler Imaging.- Other approaches.- Systemic determinants.- Local determinants.- Neural Control of Ocular Blood Flow.- Endothelial control.- Retinal ischemia in relation to glaucoma and neuroprotection.- Ocular blood flow in diabetes: contribution to the microvascular lesions of diabetic retinopathy.- Age-Related Macular Degeneration: Hemodynamic changes.- The Role of Ocular Blood Flow Abnormalities in the Pathogenesis of Glaucoma.- Ocular Blood Flow in Disease: Other diseases.- Systemic diseases.