Comparison of the Antimicrobial Efficacy of Various Contact Lens Solutions to Inhibit the Growth of Pseudomonas aeruginosa and Staphylococcus aureus

Table 2

Colony counts per solution per time interval for Pseudomonas aeruginosa.

Time	Biotrue	Aquasoft	Opti-Free Replenish	Control: saline
Zero	100,000	100,000	100,000	100,000
10 minutes	10,300	7000	10,000	100,000
30 minutes	1500	6400	8200	100,000
Two hours	400	1700	7800	100,000
Four hours	0	1100	6000	100,000
Six hours	0	0	5552	100,000