Charak Samhita
शस्त्रारणिनिभां कुर्यात्तीव्रां सोऽर्धावभेदकः। नयनं वाऽथवा श्रोत्रमतिवृद्धो विनाशयेत्॥७६॥
The condition is acutely severe like a sharp weapon or fire-log and is called ardhavabhedaka. The condition when severe may impair the functions of an eye or an ear.
english translation
zastrAraNinibhAM kuryAttIvrAM so'rdhAvabhedakaH। nayanaM vA'thavA zrotramativRddho vinAzayet॥76॥
hk transliteration by Sanscript