[visionlist] Vaegan seminar: Prof Michael Bach (Freiburg University, Germany)

Juno Kim juno.kim at unsw.edu.au
Mon Nov 15 07:36:16 -04 2021

Dear friends,

Our final Vaegan seminar for Term 3 will be held at the special time of 5pm on Friday 19
November 2021 (AEDT) and will be presented by Prof Michael Bach (Freiburg University, Germany). Prof Bach's talk is entitled: "Visual Acuity”

This event will be held remotely via Zoom.

Meeting information and connection details are provided below.

Looking forward to seeing you there. NO RSVP REQUIRED (the meeting password is embedded in the link).

Best regards,


Title: Visual Acuity
Speaker: Prof Michael Bach (Freiburg University, Germany)
Time/Date: 5pm Friday 19 November 2021 (AEDT - Sydney Time)
Location: via Zoom link below
Abstract: Assessment of visual acuity is probably the oldest and certainly the most common diagnostic of seeing. It is well understood from a signal detection point of view and thus it is sad that “Snellen charts” are still widely in use; furthermore, an abundance of units muddies the field <https://michaelbach.de/sci/acuity.html>. I will start with the psychometric function as basis of the “3 of 5” rule (embodied in the Freiburg Vision Test, <https://michaelbach.de/fract/>), cover “normal acuity”, feedback, practice effects, screening for primary school enrolment, hyperacuity, (ultra) low vision, (missing) measures of dispersion, and objective assessment via evoked potentials.
Bio: Michael Bach studied Physics, Computer Science and Psychology. His PhD work at the University of Freiburg, Germany, dealt with single- and multiunit neuron recordings in animal models. He went on to work in the Eye Center of Freiburg university, recording diagnostic electrophysiology from patients. In his research he employed mainly psychophysical and electrophysiological techniques trying to understand human vision. With 300+ papers (h-index 63), he is interested in all things vision from basic science to ophthalmological pathophysiology. For eight years he was president of the International Society for Clinical Electrophysiology of Vision (ISCEV). Now emeritus, he serves ISCEV as Director of International Communications and continues research in a modest way. In 2020 he received the “von Graefe Award” by the German Ophthalmological Society. His interactive playful public outreach project on visual phenomena and optical illusions can be perused here <https://michaelbach.de/ot/>.

Juno Kim | PhD (Psychology) | Associate Professor
School of Optometry and Vision Science
E: juno.kim at unsw.edu.au<mailto:juno.kim at unsw.edu.au>  | T: +61 2 9065 1218<mailto:juno.kim at unsw.edu.au>
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