Ashtangasamgraha 15.5

15.5

haimavatī ciribilvaṃ mustā kuṣṭhaṃ vacā haridre ca |

citrakakaṭukātiviṣā vargoyaṃ lekhanīyākhyaḥ ||

pratyekaṃ pañcadhā cāro vyāpāraśceha vaikṛtam ||

dṛṣṭerabhyantaragate drasvavaḍhraviparyayam ||

Haimavatī, ciribilva, mustā, kuṣṭha, vacā, the two haridrās,
citraka, kaṭukā, and ativiṣā: this group is known as the scraping group (lekhanīya).
Its movement is fivefold individually, and here the abnormal [movement] is its activity.
When it has entered inside the visual organ, there is an inverted [perception] of short and long.