Cannibal corneal ulcer
Canker corneal ulcer (ulcus corneal rodens) is a chronic, painful corneal ulcer that first occurs in the periphery of the cornea, extends along the periphery of the cornea, and then progresses to the central lameness, and finally involves the entire cornea, which can invade one or both eyes , Is an idiopathic corneal ulcer and has nothing to do with infection or systemic collagen-vascular disease.
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