The precipitating event for<unk>  is trauma with a vegetable / organic matter. A thorn injury, or in agriculture workers, trauma with a wheat plant while cutting the harvest is typical. This implants the fungus directly in the cornea. The fungus grows slowly in the cornea and proliferates to involve the anterior and posterior stromal layers. The fungus can break through the descemet's membrane and pass into the anterior chamber. The patient presents a few days or weeks later with<unk> .
Fungal keratitis
Nummular keratitis
Neurotrophic keratitis
Herpes simplex keratitis
Interstitial keratitis
Peripheral ulcerative keratitis
Diffuse lamellar keratitis
Acanthamoeba keratitis