Light and electron microscopic studies on the sclerotic changes in human central retinal arteries. I. The "crossing phenomenon".
D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D009887:Ophthalmoscopy; D012160:Retina / Q000473:pathology; D012171:Retinal Vessels / Q000473:pathology*; D012598:Sclerosis