Astanga Hrudaya
हरेणुमात्रा पिण्डस्य वेल्लमात्रा रसक्रिया। तीक्ष्णस्य, द्विगुणं तस्य मृदुनः चूर्णितस्य च॥१५॥
The quantity of Pinda anjana prepared from strong herbs is one Harenu. The quantity of Pinda Collyrium prepared from mild herbs is two Harenu. The quantity of eye-salve which is in the form of gel, confection (Rasakriya) shall be that of Vella (Vidanga),
english translation
hareNumAtrA piNDasya vellamAtrA rasakriyA। tIkSNasya, dviguNaM tasya mRdunaH cUrNitasya ca॥15॥
hk transliteration by Sanscript