Fungal corneal ulcer, with excessive vascularization. Keratitis is a general term meaning any inflammation of the cornea. The term fungal keratitis refers to a corneal infection caused by fungi. One type of fungus that can infect the cornea is Fusarium.
Where do the Stones come from? Suiseki Stones are legally collected from a variety of streams and rivers across the world. Different rivers tend to create their own unique stone style due to the ecology of the river and the way in which the water develops the stones over time.
Types of stones. Stones are made of minerals in the urine that form crystals. Sometimes the crystals grow into stones. About 85% of the stones are composed of calcium, and the remainder are composed of various substances, including uric acid, cystine, or struvite. Struvite stonesâa mixture of magnesium, ammonium, and phosphateâare also called infection stones, because they form only in infected urine.