Human eye The upper end of the range is given in terms of normal visual performance as 10 cd/m (100,000,000 or one hundred million candelas per square meter). The eye includes a lens similar to lenses found in optical instruments such as cameras and the same physics principles can be applied. The pupil of the human eye is its aperture; the iris is the diaphragm that serves as the aperture stop. Refraction in the cornea causes the effective aperture (the entrance pupil) to differ slightly from the physical pupil diameter. The entrance pupil is typically about 4 mm in diameter, although it
Reflections in a Golden Eye (film) Reflections in a Golden Eye (film) Reflections in a Golden Eye is a 1967 American drama film directed by John Huston based on the 1941 novel of the same name by Carson McCullers. It deals with elements of repressed sexuality, both homosexual and heterosexual, as well as voyeurism and murder. The film stars Marlon Brando and Elizabeth Taylor. The film was unsuccessful at the box office. The film tells of six central characters, their failures, obsessions and darkest desires. Set at a US Army post in the South in the 1940/50s, it features Major Weldon Penderton (Brando) and his wife