The eye may become soft either suddenly after perforation, with escape of contents, or slowly, as after detachment of the retina or in atrophy of the eyeball. The sequelae are somewhat different in these two cases. I shall discuss them according to the membranes which constitute the eyeball.
The fibrous envelop of the eye—sclera and cornea—contracts uniformly in young persons without wrinkling to such a degree, when the loss of content is not great, that the eye retains its shape, being only slightly diminished in size. This adaptation is facilitated by partial compensation of the loss of content through an increased filling of the intrinsic vessels, especially of the choroid. In the eyes of old people the intrinsic vessels also dilate after sudden softening, but the contraction of the fibrous membranes is often insufficient if the loss of content is considerable. Then the cornea folds, due to acute
FUCHS E. CONSEQUENCES OF SOFTENING OF THE EYEBALL. Arch Ophthalmol. 1930;3(4):419–423. doi:10.1001/archopht.1930.00810060037005
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