Researchers Use Electrically Responsive Fluid to Make Eye-Like Adaptive Lens

https://www.optica.org/en-us/about/newsroom/news_releases/2022/researchers_use_electrically_responsive_fluid_to_m/

"optical transmittance of around 95% at visible wavelengths between 390 and 780 nm and that performance remains stable at temperatures ranging from room temperature to over 200 °F... increasing the applied voltage from 0 to 100 V changed the focal length from 7.5 mm to 13.1 mm and that the lens’ resolution can reach almost 29 lines per millimeter"