Since the successful treatment is based on the successful diagnosis… Since (Saggaf eye Centers ) is an integrated facility, it was necessary to establish a number of support units equipped with the latest diagnostic technologies such as: A) Visual Field Examination Unit: A unit specializing in screening and measuring the visual field in order to diagnose a number of diseases, such as: Glaucoma and diseases of the Nervous System. B) Medical Imaging Unit: A unit specializing in photography for some cases to diagnose the current situation and follow up later such as Fluorescein angiography, OCT and Topography. C) Ultrasound Unit: A unit specializing in OCT imaging of the eye using ultrasound to diagnose many conditions.