Preaching to the CHOIR
Seminars and Mini-symposia

26 Jan 2023
Mini-symposium on advances in opthalmic imaging

Please note the change of venue to the Miller Conference room.

This mini-symposium will feature talks from guest speakers from ICTER in Poland, Inha University in South Korea, and The Ohio State University, as well as some talks from members of the Zawadzki and Jonnal labs. It will be held in the Miller Conference Room on the 4th floor of the Tschannen Eye Institute.

  • 7:20a - 9:45a: (optional) Imagine Eyes clinical applications of AO imaging talks, broadcast from Austria. You can register here if you wish.

  • 9:45a: Robert Zawadzki (UC Davis): Welcome and introductions

  • 10:00a: Dawid Borycki (ICTER): Multiwavelength laser Doppler holography in spatio-temporal optical coherence tomography

  • 10:30a: Jessicca Cho (UC Davis): Validation of the TSA-OCT-based longitudinal in vivo studies of murine inner retinal cellular morphology using mice lines with fluorescently labeled ganglion cells

  • 11:00a: Daeyu Kim (Inha): Primate retina imaging with adaptive optics differential interference contrast (AO-DIC)

  • 11:30a: Soohyun Lee (OSU): High-speed adaptive optics partially confocal ophthalmoscope based on digital micromirror device (DMD)

  • 12:00p: Ewelina Pijewska (UC Davis): Pulsatility index estimation in ocular vessels using Doppler optical coherence tomography

  • 12:30p: Maciej Bartuzel (UC Davis): Double-MEMS retinal eye tracker with adjustable temporal and spatial sampling

  • 1:00p - 2:00p: Box lunch

  • 1:00p - 2:00p: Ed Pugh (UC Davis), via Zoom: Optical Coherence Tomography Optoretinogram (OCT-ORG): phototransduction in rod and cone photoreceptors in vivo gratis osmotically driven water transport in the posterior eye [Zoom link]

  • 2:00p: Ratheesh Meleppat (UC Davis): Progress on development of FF-SS-OCT system for functional retinal imaging in mice

  • 2:30p: Karol Karnowski (ICTER): Assessing biomechanical asymmetry of the cornea with multi-spot air-puff OCT

  • 3:00p: Reddikumar Maddipatla (UC Davis): Clinical optoretinography using OCT phase velocity

  • 3:30p: Slawomir Tomczewski (ICTER): Frequency characterization of human photoreceptors’ response to light with the use of chirped flicker stimulus optoretinography

  • 4:00p: Ravi Jonnal (UC Davis): Theoretical and practical considerations in translational optoretinography

  • 4:30p: Lab tours

  • 6:30p: Dinner @ Giovanni’s Pizza

7 February 2023
Visit and presentation by team from CLight Technologies about eye-tracking (location TBA)

  • 1:00p-2:00p: Introductions and lab tours. Lab tours will include members of the UC Davis Eye Center Advisory Council.

  • 2:00p-3:00p: Jaci Theis (CLight): Fixational Eye Movements: A Biomarker for Neurologic and Ophthalmologic Disorders

    Abstract: We spend 80% of our visual experience fixating our gaze on objects of interest. Yet fixation is not a static state, but rather a combination of microscopic fixational eye movements (FEMs) that makes our “static” fixation a dynamic neurologic process. This lecture will review the pathoanatomy of FEMs at it’s present state and differentiate the functionality of microsaccades from macro-saccades. Additionally, it will bring forth an evidence-based discussion on the utility of FEMs in the diagnosis and treatment of neurologic and ophthalmologic disorders like Alzheimer’s, Parkinson’s, MS, TBI, maculopathy, and amblyopia.

    Speaker bio: Jacqueline Theis, OD, FAAO is the Chief Medical Officer of C. Light Technologies as well as a practicing clinician in a multidisciplinary brain injury clinic and Assistant Professor at the Uniformed Services University, School of Medicine, Department of Physical Medicine and Rehabilitation. She completed her optometric and residency training in neuro-optometry and binocular vision at the UC Berkeley School of Optometry (UCBSO). A previous Assistant Clinical Professor and founding Chief of the UC Berkeley Sports Vision and Concussion Clinic, Dr Theis has extensive clinical expertise and research experience in oculomotor deficits and visual abnormalities in brain injury, neurological disease & amblyopia.

  • 3:00p-4:00p: Coffee and informal discussion with Jaci, company founder and engineer Christy Sheehy PhD, and chief commercial officer Lon Dowell.

27 March 2023
Visit and presentation by Katsunori Okajima, Yokohama National University

Katsunori Okajima is a psychophysicist who’s worked in a variety of areas including color appearance, extended reality (AR/VR), and multimodal sensory interactions. He has an interest in high-resolution, especially as it pertains to melanopsin-containing ganglion cells. He’s hosted by Jack Werner and will be visiting the lab for a few hours on Monday, 27 March.

  • 12:00p-1:00p: Presentation by Dr. Okajima

  • 1:00p-2:00p: Tours of labs