Table 7.

Summary of the Most Common Risk Factors Associated with Keratitis

Risk Factors	Commonly Associated Microorganisms	References
Ocular Trauma	Fungal, i.e. Fusarium spp	[11, 83]
Use of Contact Lenses	Bacterial, i.e. Pseudomonas aeruginosa	[34, 78]
Ocular Surface Disease	Yeast infections, i.e. Candida albicans	[18]
Systemic Disease	Opportunistic organisms	[88]
Use of Corticosteroids	All	[86, 87, 167]