Oliver mentions extraction of a lens by a thrust of a cow's horn.
Lowe speaks of rupture of the anterior capsule of the lens from violent sneezing, with subsequent absorption of the lenticular substance and restoration of vision.

Trioen mentions a curious case of expulsion of the crystalline lens from the eye in ophthalmia, through the formation of a corneal fissure.

The authors have personal knowledge of a case of spontaneous extrusion of the lens through a corneal ulcer, in a case of ophthalmia of the new-born.
Injury of the Eyeball by Birds .-- There are several instances in which birds have pierced the eyeball with their bills, completely destroying vision.

Not long since a prominent taxidermist winged a crane, picked it up, and started to examine it, when it made one thrust with its bill and totally destroyed his eyeball.

In another instance a man was going from the railroad station to his hotel in a gale of wind, when, as he turned the corner of the street, an English sparrow was blown into his face.