The refractive index of current eyeglass lens materials ranges from 1.498 (CR-39 plastic) to 1.74 (a specific variety of high-index plastic). So for the same prescription power and lens design, a lens made of CR-39 plastic will be the thickest lens available, and a 1.74 high-index plastic lens will be the thinnest.
Principal photography on the film began on April 25, 2016, in Pittsburgh, Pennsylvania, in the Hill District, and wrapped in mid-June 2016. Fences was released in the United States on December 16, 2016, by Paramount Pictures, received positive reviews and grossed $64 million.
The Inbetweeners Movie was released on 17 August 2011 in the UK and Ireland by Entertainment Film Distributors, to favourable reviews, although its later release in the United States was not as well received. It was a commercial success, setting the record for the biggest opening weekend for a comedy film in the UK.