世界で初の眼科専門医は誰
Nevertheless, it was standard and necessary to learn and understand the works and legacy of predecessors. Among those one can mention, "The alteration of the eye" by Yuhanna ibn Masawayh, whose work can be considered the earliest work on Ophthalmology, followed by Hunain ibn Ishaq, known in the west as Johannitius, for his work "The ten treatises of the eye". One of Hunain ibn Ishaq's innovations was to describe the crystalline lens as being located in the exact center of the eye.
Yuhanna ibn Masawayh