The toxic amblyopias: their classification, history, symptoms, pathology, and treatment . 90 • I li i Typical oval scotomas from a case of tobacco-amblyopia. The patient,aged sixty, bad smoked four pipes of tobacco daily and an occasional cigarsince he was nineteen ; a moderate beer drinker. Fig. Typical oval central scotoma (red-green-blind area) represented by doublecross hatching, capped by an area in which there was diminished color per-ception, represented by shading with single lines. The patient was a managed thirty-four, who for ten years smoked twelve to fifteen cigars a day,for


The toxic amblyopias: their classification, history, symptoms, pathology, and treatment . 90 • I li i Typical oval scotomas from a case of tobacco-amblyopia. The patient,aged sixty, bad smoked four pipes of tobacco daily and an occasional cigarsince he was nineteen ; a moderate beer drinker. Fig. Typical oval central scotoma (red-green-blind area) represented by doublecross hatching, capped by an area in which there was diminished color per-ception, represented by shading with single lines. The patient was a managed thirty-four, who for ten years smoked twelve to fifteen cigars a day,for two years drank an ounce a day of compound tincture of cinchona,occasionally used beer, but did not drink whisky; much business worryand many sleepless nights. The visual field of the left eye was almostexactly similar. V. of O. D., 6/60; V. of O. S., 6/20. The patient ophthalmoscopic appearances of the right fundus are illustrated inPlate IV., namely, typical quadrant atrophy of the disk. 78 TOXIC AMBLYOPIAS. is, within its limits all perception of light is characteristic form of the scotoma, as already noted,is oval, stretching from the fixing point to the blind spot,and rarely passing much to the nasal side of the former. Fig. 21. ^s s .—7 —\ < .s g£ p


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Keywords: ., bookauthordeschwei, bookcentury1800, bookdecade1890, bookyear1896