Effect of Ultraviolet Light Irradiation Combined with Riboflavin on Different Bacterial Pathogens from Ocular Surface Infection

Table 1

Survival fraction of Staphylococcus epidermis and Staphylococcus aureus with different UV light energy in the UV-riboflavin group (irradiation time: 20 min).

Power density (mW/cm^2)	Survival fraction of S. epidermidis (%)	Survival fraction of S. aureus (%)
0	100	100
1.065	55.1 ± 3.6	70.5 ± 2.7
2.474	43.5 ± 2.2	56 ± 2.3
5.273	38.1 ± 1.9	43.3 ± 1.7
7.299	28.3 ± 1.6	32.6 ± 1.5