Laboratory parameters of the 1st order – obligatory laboratory tests.
- Pathogen determination by smear and culture.
- “If bacterial keratitis is clinically suspected, a conjunctival swab should first be performed with one swab in each eye. Then, material from the ulcer and ulcer margin should be obtained with a swab or corneal spatula (Kimura spatula, field hockey knife).” [see below guideline: microbiological diagnosis of infections of the eye.]
