These should be removed if possible by the use of forceps. If they are left in they may cause inflammation, and the formation of abscesses, or gatherings.

If the foreign body cannot be extracted, a linseed-meal or bread-poultice should be applied. Matter will probably form, and may require to be let out by a puncture, in which case most probably the thorn or splinter will be evacuated at the same time. The inflammation will begin to subside as soon as this has occurred.