of the First Michaelson Medal Recipient.- The Isaac C. Michaelson Lecture.- 1: Blood Flow and Vein Occlusion.- Retinal fluorotachometry (dynamic fluorescein angiography).- Isovolemic hemodilution in ischemic and non-ischemic retinal vein occlusion.- O2 gradients in the miniature pig retina in normoxia and hyperoxia.- Ocular blood supply in internal carotid obstructions.- Retinal hemodynamics in diabetes mellitus.- Retinal artery emboli associated with mitral valve prolapse.- Development of retinal neovascularization in occlusive retinal vascular disease in adults.- Laser photocoagulation for retinal vein obstruction.- Prevention of clot formation in cat retinal vein by systemic and subconjunctival urokinase.- 2: Diabetic Retinopathy.- The formation and maintenance of new blood vessels.- Mechanism of elevated membrane formation and posterior vitreous detachment in diabetes mellitus.- Early photocoagulation of focal diabetic macular edema.- Photocoagulation for diabetic macular edema.- Juxtafoveal grid treatment with green monochromatic argon and with red krypton lasers for diabetic macular edema.- Acute diabetic retinopathies.- Angiogenic factors in human vitreous.- 3: Retinopathy of Prematurity.- The role of ischemia in the pathogenesis of retinal neovascularization.- Optimal strategy for ROP screening.- Influence of statistical methodology and composition of patient populations on the correlation of risk factors with ROP.- Retinopathy of Prematurity: Age at onset and the initial site of retinal involvement. A preliminary report.- Retinopathy of Prematurity: Treatment approaches.- Vitamin E at pharmacologic serum levels and incidence, progression and cicatricial residua of ROP..- Does Vitamin E have a protective role in the retina as an anti-oxidant and free radical scavenger?.- Retinopathy of Prematurity, past and present experience in Denmark.- Rush type retinopathy of prematurity (ROP) - a report of three cases.- A controlled study on the use of cryotherapy in ls?