Use of a novel extended blink test to evaluate the performance of two polyvinylpyrrolidone-containing, silicone hydrogel contact lenses
Jeffery Schafer,1 William Reindel,1 Robert Steffen,1 Gary Mosehauer,1 Joseph Chinn2 1Vision Care, Bausch and Lomb Incorporated, Rochester, NY, USA; 2J Chinn LLC, Lafayette, CO, USA Background: Sustained digital display viewing reduces eye blink frequency and tear film stability.To retain water and preserve a smooth optical surface, contact lens man