A practical essay on hemeralopia, or night-blindness, commonly called nyctalopia : as it affects seamen and others, in the East and West Indies, China, the Mediterranean, and all tropical climates ; in which a successful method of curing the disease is detailed / by Mr. R.W. Bampfield ... ; communicated by Dr. Roget.

  • Bampfield, R. W. (Robert William), -1827.
Date:
1812
Catalogue details

Licence: Public Domain Mark

Credit: A practical essay on hemeralopia, or night-blindness, commonly called nyctalopia : as it affects seamen and others, in the East and West Indies, China, the Mediterranean, and all tropical climates ; in which a successful method of curing the disease is detailed / by Mr. R.W. Bampfield ... ; communicated by Dr. Roget. Source: Wellcome Collection.

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    be applied to the disease of night-blindness with the slightest propriety or attention to correctness* Sauvages, Sagar, and Cullen, do not notice any diseases under the generic titles of hemeralopia and nyctalopia. This omission is singular, as he« meralopia has sometimes terminated in total blind¬ ness, and is consequently of undoubted importance. Nyctalopia I have never met with, and 1 believe it to be a disease of very rare occurrence indeed. The Dysopia Tenebrarum of Dr. Cullen, cc in qua non nisi in obscura luce objecta videntur,” in which objects are only visible in an obscure light, is a species of dysopia, whose definition will not justify its application to the disease of blindness by night. Cullen's Nosology. The dysopia tenebrarum of Dr. Cullen is syn¬ onymous to the amblyopia crepuscularis of Sau- vages, and differs from the amblyopia of Lin¬ naeus and Yogel. Amblyopia crepuscularis, per¬ haps, properly signifies dullness or dimness of sight by twilight. Some French authors have termed night-blindness, Gutta serena nocturna. Dupont Yogel is the only nosologist, whose work I pos¬ sess, that has inserted Hemeralopia among his ge¬ nera, and it should be understood that tins disease is the same as has been described by so many au¬ thors and medical men under the generic names of