Influence of Tear Protein Deposition on the Oxygen Permeability of Soft Contact Lenses

Table 2

Amount of total protein deposition after incubation in artificial tear solution.

Lens materials		Incubation periods (days)
		0	1	3	7	14
Polymacon	Protein deposition (µg/lens)	0	9.7 ± 0.3	14.5 ± 1.3	18.2 ± 0.7	26.1 ± 1.4
Nelfilcon A			13.8 ± 1.8	25.3 ± 4.3	23.8 ± 2.2	57.4 ± 8.9
Lotrafilcon A			6.1 ± 0.3	7.2 ± 0.6	10.5 ± 0.9	12.7 ± 0.4
Balafilcon A			10.3 ± 0.5	15.9 ± 1.0	16.4 ± 1.7	18.6 ± 0.8
Lens materials		Incubation periods (h)
		0	1	6	12	48
Etafilcon A	Protein deposition (µg/lens)	0	770.3 ± 95.5	2026.9 ± 150.0	2150.6 ± 130.7	2589.4 ± 168.3