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.
They are not typical of the local geology- indeed, the source of the bluestones, the first stones erected, has now been traced to the Preseli Mountains of south-west Wales. Somehow these enormous stones were transported to the Salisbury Plains. The stones were surely too heavy for timber rollers.