Geometrical optics Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! Lens (optics) Circle of confusion “Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Entrance pupil Pages in category "Geometrical optics" The following 3 pages are in this category, out of 3 total. C Circle of confusionE Entrance pupilL Lens (optics) Retrieved from "http://psychology.wikia.com/wiki/Category:Geometrical_optics"