Muhammad Zarrindast

Abu Ruh Muhammad ibn Mansur ibn abi Abdallah ibn Mansur Jamani (also Gorgani), nicknamed Zarrin-Dast was an eleventh-century Persian oculist. 
Zarrin Dast means the "Golden Hand" in Persian, a reputable name for an eye surgeon. 
He flourished under the Seljuq sultan Abu-l-Fath Malikshah ibn Muhammad, ruling from 1072-73 to 1092–93. 
He completed in 1087–88, a treatise on ophthalmology entitled "The Light of the Eyes" ("Nur al-ayun"), in Persian.