Astanga Hrudaya
लेखनं रोपणं दृष्टिप्रसादनमिति त्रिधा। अञ्ह्जनम् लेखनं तत्र कषायाम्लपटूषणैः॥१०॥
Anjana is of three kinds – Lekhana – scarifying, scraping Ropana – healing and Drishti prasadana – making the vision clear, soothing to the eyes; Lekhana Anjana is prepared from herbs of astringent, sour, salt, and pungent tastes and hot potency;
english translation