[visionlist] Vaegan seminar: Dr Arathy Kartha (Johns Hopkins Medicine)

Juno Kim juno.kim at unsw.edu.au
Mon Jul 25 00:33:15 -04 2022

[Dear friends, Please find info below about our next Vaegan seminar on later this week. Best, Juno]

Speaker: Dr Arathy Kartha (Johns Hopkins Medicine)

Title: Understanding Ultra-Low Vision

Time: 1-2pm Friday 29 July 2022 (Australian Eastern Standard Time - AEST)

Location: Via Zoom (link below)


Abstract: Ultra-Low Vision (ULV) refers to a level of vision when a person cannot read even the top line of letters on an ETDRS chart at a distance of 0.5m (<20/1600), that could be best described as moving shadows or silhouettes. There are a growing number of clinical trials that recruit people with ULV or restore vision to the ULV levels (e.g., visual prosthesis, stem cell therapy, gene therapy). This highlights an increasing demand for developing tools that can be used as outcome measures and for rehabilitation. Using the ULV toolkit developed and calibrated in the Ultra-Low Vision Lab, we were able to learn about the range of visually-guided daily activities that can be performed using ULV. Next, we are studying how performance with ULV compares to multisensory performance, using a set of cue-combination tasks involving visual, auditory and haptic cues. The results from these studies would be helpful in designing a rehabilitation program that can be optimized based on weighted cue combination which is not only useful for people with ULV but also for those with dual sensory loss.

Bio: Arathy Kartha is a postdoctoral research fellow in the Ultra-Low Vision Lab at the Wilmer Eye Institute at Johns Hopkins. She completed her PhD in pediatric vision rehabilitation from the Queensland University of Technology, Australia. She is currently working with Dr. Gislin Dagnelie to develop visual performance measures for people with ultra-low vision (ULV) using virtual reality. Arathy’s research interests include understanding the range of activities that can be performed by people with ULV, how multisensory inputs affect visual performance in ULV and how performance can be enhanced through multi-sensory training in people with ULV. She is the recipient of the K99/R00 pathway to independence grant from the National Eye Institute.

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