Protozoan
- Risk factors:
- trauma
- soft contact lens use (overnight use increases risk).
- Severe pain is a predominant symptom.
- Consult ophthalmology and microbiology for diagnosis.
Usual Pathogens
Acanthamoeba spp
Ophthalmic Solutions
| Empiric Therapy | Dose | Duration |
|---|---|---|
| Propamidine 0.1% | q1h while awake, then slowly reduce frequency | Dependent on clinical picture |
| + | ||
| [Polyhexamethylene biguanide 0.02% | q1h while awake, then slowly reduce frequency | |
| and/or | ||
| Chlorhexidine 0.02%] | q1h while awake, then slowly reduce frequency | |
| +/- | ||
| Neomycin-gramicidin-polymyxin B | q1h while awake, then slowly reduce frequency |