Abstract
Purpose: To determine and compare the advancing sessile drop water contact angles (CAs) of four silicone hydrogel (SH) materials which utilise differing approaches to enhance wettability. These included a material that is plasma oxidized (balafilcon A), one with a plasma coating (lotrafilcon B), one with an internal wetting agent (senofilcon and also an untreated/unmodified material (comfilcon A).
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