Nervous and mental diseases . Fig. 248.—Hysterical concentric contraction of visual field of right eye; amaurosis of left eye (Tourette). In hysteria vision is very frequently modified, and some of thechanges in this special sense are of the utmost importance for blindness is very rare, usually of abrupt onset, a few daysduration, and sudden recovery, but vision is often reduced in one eye tocounting fingers or less. Of greater frequency and of more importanceare the lesser and commonly persistent defects. These consist of: (1) Areduction of the field ; (2) troubles of color
Nervous and mental diseases . Fig. 248.—Hysterical concentric contraction of visual field of right eye; amaurosis of left eye (Tourette). In hysteria vision is very frequently modified, and some of thechanges in this special sense are of the utmost importance for blindness is very rare, usually of abrupt onset, a few daysduration, and sudden recovery, but vision is often reduced in one eye tocounting fingers or less. Of greater frequency and of more importanceare the lesser and commonly persistent defects. These consist of: (1) Areduction of the field ; (2) troubles of color perception, and (3) errorsof accommodation. Contraction of the Visual Field.—In the great majority of hystericsthe visual field is concentrically contracted. This is usually foundbilaterally, but commonly more on one side than the other, and some-times only on one side. The defect, as in that of all the special senses,when unilateral or most marked on one side, usually corresponds to aunilateral distribution of disturbed
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Keywords: ., bookcentury1900, booksubjectmentalillness, booksubjectnervoussys
