From: Acanthamoeba keratitis related to contact lens use in a tertiary hospital in China
Stage | Manifestation |
---|---|
Early stage | Pseudodendritic or punctate corneal epithelial lesions, dot infiltrations under the epithelium, recurrent epithelial erosion, radial corneal neuritis, corneal ulcer smaller than 4 mm in diameter in the anterior stroma |
Advanced stage | Deep stromal ulcer greater than 5 mm and less than 8 mm in diameter |
Late stage | The deep stromal ulcer greater than 8 mm in diameter and hypopyon, central corneal thinning and perforation |