Astanga Hrudaya
गुरुः स्निग्धोऽम्बुबिन्द्वाभो बलासग्रथितं स्मृतं । बिन्दुभिः पिष्टधवलैरुत्सन्नैः पिष्टकं वदेत् ॥ १३ ॥
thick, not soft, heavy, greasy, resembling a water bubble is known as Balasa Grathita. Presence of pasty white, raised dots on the sclera is called as Pisthaka.
english translation
guruH snigdho'mbubindvAbho balAsagrathitaM smRtaM । bindubhiH piSTadhavalairutsannaiH piSTakaM vadet ॥ 13 ॥
hk transliteration by Sanscript