Astanga Hrudaya
अपाङ्गमीक्षमाणस्य वृद्धेऽर्मणि कनीनकात् । वली स्याद्यत्र तत्रार्म बडिशेनावलम्बितम् ॥ १६ ॥
the patient is asked to look towards the Apanga (outer canthus). Then the fold of the Arma, which hangs loosely more towards the Kaninaka (inner canthus) wherever there are folds. Those regions of arma are held with the forceps and cut;
english translation
apAGgamIkSamANasya vRddhe'rmaNi kanInakAt । valI syAdyatra tatrArma baDizenAvalambitam ॥ 16 ॥
hk transliteration by Sanscript