Figure 3.

Pirenzepine release over 24 hours in 4 mL of PBS from contact lenses after 24 hours of uptake in 10 mg/mL pirenzepine solution.

Notes: Bars represent standard deviation. ▲, etafilcon A; ◆, ocufilcon B; □, omafilcon B (MF); ○, omafilcon A (SV); Δ, omafilcon A (MF); ●, narafilcon A; ✹, nelfilcon A (SV); ◇, nelfilcon A (MF); ⋆, comfilcon A (MF); ∇, delefilcon A (n=4/ material). SV and MF denote the single vision and multifocal variant of a particular lens material, respectively.

Abbreviation: PBS, phosphate-buffered saline.