How to check keratitis

The examination of keratitis normally includes the following categories: 1. slit lamp examination, slit lamp microscope can clearly observe the eyelid, cornea, conjunctiva, sclera, iris, anterior chamber and other anterior segment tissue lesions. Keratitis typical manifestations of ciliary congestion, corneal infiltration and corneal ulcer formation, some combined with hyphema. 2. corneal confocal microscopy, which is an effective means of diagnosis of fungal keratitis and acanthamoeba keratitis. 3. corneal lesion scraping examination, including smear staining microscopy, pathogenic microorganism culture and drug sensitivity test, can determine pathogenic bacteria and guide treatment. 4. corneal tissue biopsy, tissue biopsy of corneal lesion area can improve the positive rate of microorganism detection, suitable for progressive corneal ulcer culture negative.