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.