Figure 6 of Gorbet, Mol Vis 2011; 17:3458-3467.

Figure 6. Absorption spectra for OFX soaked Lotrafilcon A (LA), Balafilcon A (BA), Lotrafilcon B (LB), Galyfilcon A (GA), and Comfilcon A (CA) extracts. Lenses were soaked overnight in OFX and lens release was performed in PBS for 24 h at 37 °C, 5% CO2. OFX - Opti-Free Express.