{"id":9184,"date":"2025-04-14T13:23:34","date_gmt":"2025-04-14T12:23:34","guid":{"rendered":"https:\/\/research.kent.ac.uk\/applied-optics\/?p=9184"},"modified":"2025-04-14T13:27:39","modified_gmt":"2025-04-14T12:27:39","slug":"seminar-to-school-and-to-the-apg-7th-april-2025-prof-john-s-werner-university-of-oxford","status":"publish","type":"post","link":"https:\/\/research.kent.ac.uk\/applied-optics\/2025\/04\/14\/seminar-to-school-and-to-the-apg-7th-april-2025-prof-john-s-werner-university-of-oxford\/","title":{"rendered":"Physics Department Seminar and AOG visit by Prof John S. Werner, University of Oxford, 7th April 2025"},"content":{"rendered":"

On Monday 7th April 2025, Prof John S. Werner<\/span> from University of Oxford<\/span> delivered a presentation with the title \u201cOptical Imaging of Human Retinal Function”<\/span> in Jennison Building LT at 2pm, University of Kent.<\/p>\n

Abstract<\/span><\/b><\/p>\n

This talk will review research at UC Davis to image the human retina at high lateral and axial resolution using adaptive optics (AO) and optical coherence tomography (OCT).\u00a0\u00a0This approach permits critical examination\u00a0\u00a0of clinical OCT images and the attribution of the structures identified in the outer retinal bands of the photoreceptors.\u00a0\u00a0High imaging speed afforded by a Fourier-domain mode locked laser operating at 1.67 MHz and phase-variance processing\u00a0\u00a0made it possible to image the subretinal vasculature (choroidal layers) at high contrast.\u00a0\u00a0Analysis of serial volumetric images revealed phase changes of cone photoreceptors consistent with outer segment elongation that was proportional to stimulus intensity, as well as other morphological changes in the outer segment and retinal pigment epithelium.<\/span><\/p>\n

Bio<\/b><\/p>\n

John S.\u00a0<\/b>Werner<\/b>\u00a0is currently a Leverhulme Trust\u00a0Visit<\/span>ing Professor at the University of Oxford.\u00a0\u00a0He is a Distinguished Professor emeritus at the\u00a0University of California, Davis<\/a>\u00a0in the Department\u00a0\u00a0of\u00a0Ophthalmology<\/a>\u00a0&\u00a0Vision Science<\/a>, and Department of\u00a0Neurobiology<\/a>,\u00a0Physiology<\/a>\u00a0&\u00a0Behavior.<\/p>\n

Professor Werner received his PhD in Psychology from Brown Unniversity and conducted postdoctoral research at the Institute for Perception \u2013 TNO (Soesterberg, The Netherlands) and Department of Neurophysiology (University of Freiburg, Germany).\u00a0\u00a0He was a faculty member at the University of Colorado, Boulder before moving to UC Davis.\u00a0\u00a0Dr.\u00a0\u00a0Werner has mentored\u00a0PhD students<\/a>\u00a0at the\u00a0University of Colorado, Boulder<\/a>, and the University of California, Davis, who now hold tenured positions in\u00a0Asia<\/a>,\u00a0Europe<\/a>,\u00a0North America<\/a>\u00a0and the UK.<\/p>\n

A few photos from his presentation will follow.<\/p>\n

\"\" \"\" \"\" \u00a0\"\"<\/p>\n

\"\"\u00a0 \u00a0 \u00a0\"\"<\/p>\n

\"\"<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

On Monday 7th April 2025, Prof John S. Werner from University of Oxford delivered a presentation with the title \u201cOptical Imaging of Human Retinal Function” in Jennison Building LT at 2pm, University of Kent. Abstract This talk will review research at UC Davis to image the human retina at high lateral and axial resolution using […]<\/p>\n","protected":false},"author":888,"featured_media":9187,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[796],"tags":[],"class_list":["post-9184","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/posts\/9184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/users\/888"}],"replies":[{"embeddable":true,"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/comments?post=9184"}],"version-history":[{"count":3,"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/posts\/9184\/revisions"}],"predecessor-version":[{"id":9223,"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/posts\/9184\/revisions\/9223"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/media\/9187"}],"wp:attachment":[{"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/media?parent=9184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/categories?post=9184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/research.kent.ac.uk\/applied-optics\/wp-json\/wp\/v2\/tags?post=9184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}