Ocular Surface Microbial Flora and Photorefractive Keratectomy

Table 1

Microorganisms isolated from the ocular surface before and after PRK.

Microorganisms	Samples, n (percentage)				value
	Preoperation		Postoperation
CoNS	14	(40.0)	15	(42.9)	0.81
SA	1	(2.9)	1	(2.9)	1.00
Strep	2	(5.7)	3	(8.6)	0.64
Coryn	0	(0.0)	1	(2.9)	—

CoNS: coagulase-negative Staphylococcus; SA: Staphylococcus aureus; Strep: Streptococcus; Coryn: Corynebacterium spp.