The absence of acute inflammatory symptoms in the first variety distinguishes it from paronychia, whitlow, and gout.
They occur normally in the sepals of paronychia serpyllifolia and other plants.
Hence light is as intolerable in this kind of ophthalmia, as pressure is to the finger in the paronychia.
paronychia par·o·nych·i·a (pār'ə-nĭk'ē-ə)
Inflammation of the tissue surrounding a nail.