Hind M Alkatan1*, Patricia Akaishi2,3 and Antonio AV Cruz2,3,4 1Department of Pathology and Laboratory Medicine, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia 2Oculoplastics and Orbit Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia 3Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, School of Medicine of RibeirãoPreto–University of São Pa...