The 27-gauge needles required almost twice as much force to penetrate the sclera than either the 30- or the 31-gauge. In addition, the 30- and 31-gauge appeared to require similar force.

Please use one of the following formats to cite this article in your essay, paper or report: APA. Mecmesin. (2023, December 13). Seven Key Application Areas for Force and Torque Testing of Needles ...

The inset image shows a texture analyzer (CT3 Texture Analyzer, Brookfield Engineering) fitted with a syringe test jig. By selecting the compression test mode, the texture analyzer measures the force ...