Penetrating thistle bracts injury.

Three prickles about 2 mm. long were embedded in and penetrating the full thickness of the cornea. They were stiff, fine, and like needle-tips; their bases were flush with the corneal epithelium, and the shafts traversed the full corneal thickness with the pointed end protruding I mm. into the anterior chamber. The positions of two of the prickles are visible in Fig. I, the third being hidden under the upper lid. The anterior chamber was normal in depth and no aqueous leak was demonstrable by Seidel's test as all the wounds were plugged water-tight by the prickles. The pupil was 3 mm. in diameter with a normal reaction. There was slight conjunctival injection and only a few cells were visible in the anterior chamber on slit-lamp examination. The visual acuity was 6/6 in the right eye and 6 9 in the left. There was no evidence of any damage to the lens and the fundus was normal.