Key Concepts Nontuberculous mycobacterial (NTM) keratitis commonly occurs after trauma or refractive surgery, and can masquerade as fungal, herpetic, or amoebic keratitis, often delaying the diagnosis. NTM keratitis has been most commonly reported following laser in situ keratomileusis (LASIK). Mycobacterium…
Key Concepts Diabetes mellitus affects all layers of the cornea, both morphologically and biochemically. The epithelium of diabetics is more prone to damage and recurrent erosions and exhibits delayed healing compared with nondiabetics. Diabetes changes the biomechanical properties of the…
Key Concepts Granulomatosis with polyangiitis is an autoimmune vasculitis associated with antibodies to neutrophil cytoplasmic antigens that affects multiple organs, primarily the respiratory and renal systems. Orbital disease is the most common ocular finding of granulomatosis with polyangiitis; with peripheral…