An attack of amaurosis, to all appearances, in addition to my other maladies, is threatening me; for sparks, and specks, and spider-webs dance for hours about my eyes; and these (according to Plempins and Chevalier Zimmerman) are premonitory symptoms of the said disease. Squinting (says Richter, the cataract-operator, not the patient--in his Surgical Science. B. III p. 426) is an unmistakable forerunner of amaurosis. How very much I squint, every one can see, because I always look and aim at everything to the right and left at once. Now when I actually become as stone-blind as a mole, then it is all up with my bit of biographical writing....