However, fees paid to ophthalmologists were measly in comparison to the elephantine fees which others were apt to receive overall. At the time when Ibn Masawayh received 2000 dirhams a month as ophthalmologist-in-chief to the Caliph Harun al-Rashid, Jibrail the physician was receiving 10,000 dirhams per month.

As to the means of obtaining the fee, in cases deemed chronic requiring multiple visits, they would receive the fee only on the fair conclusion of the case. If the patient recovered, there was, in most cases, no question of refusal to pay. But if the case ended fatally, then the relatives could if they so choose, show the chief physician of the city a copy of all prescriptions and medicaments which he ordered for the sick person. If the Hakim-bashi determined they were proper and fitting for the case and that the physician was exempt of any negligence or fault, he could declare that the person’s life had reached its allotted span by the will of Allah, and that the fees had to be paid in full. If on the other hand, the chief physician found evidence of neglect, he would direct the relatives to collect dieh (or blood money) for their kinsman from the physician, ‘for it is he who slew him by his poor skill and negligence.’

Nevertheless, some ophthalmologists would be fortunate enough to work as personal ophthalmologist to an Amir of good heart and intellect, and some Caliphs were even known to have kept a personal ophthalmologist in addition to a personal physician.

So well ingrained did the science of ophthalmology become in medieval Islamic culture that the word used for "wisdom" in Arabic is "al-Basirah", meaning the ability to see. In fact, one refers to loved ones as "Nour al-Ayni" meaning the light of my eyes.