<unk>  is usually seen after refractive surgery. Neutrophils infiltrate the corneal stroma in a<unk> , multifocal pattern. Infiltration is confined to the surgical flap interface with no posterior or anterior extension, and overlying epithelium most often remains intact. As it is a sterile process, cultures based on swab tests are negative.
Diffuse lamellar keratitis
Nummular keratitis
Interstitial keratitis
Peripheral ulcerative keratitis
Neurotrophic keratitis
Fungal keratitis
Lattice corneal dystrophy
Herpes simplex keratitis