Microbial Keratitis Profile at a University Hospital in Hong Kong

Table 2

Organisms isolated and predisposing factors in patients with microbial keratitis cases treated at a university hospital in Hong Kong between 2012 and 2014.

Microbiological result/risk factor	CL	Foreign body	RCES	Corneal graft	Skin condition	Exposure keratopathy	Others
Gram-positive bacteria
Coagulase-negative Staphylococcus			2			1	1
Staphylococcus aureus		1					1
Other Streptococcus	1
Streptococcus pneumoniae		1		1
Diphtheroids		1					1
Gram-negative bacteria
Pseudomonas aeruginosa	13	1		1
Citrobacter				1
Mixed isolates						1	1
Negative culture result	9	2	3	1	2		5
Total	23	6	5	4	2	2	9

CL: contact lens; RCES: recurrent corneal erosion syndrome.