Morgagnian cataracts are advanced cortical cataracts in which the nucleus is freely mobile within liquefied cortex. In this photo, a brunescent nucleus can be seen sunken to the bottom of the capsular bag with the white, liquefied cortex visible superiorly.
Ophthalmic Atlas Images by EyeRounds.org, The University of Iowa are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.