Projects

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    t-Scratch: Tangible Programming Environment

    tScratch: Tangible Programming Environment Targeted for Students who are Blind or Visually Impaired

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    Investigating Reading in Individuals with Cerebral Visual Impairment (CVI)

    In this project, we aim to understand (i) how CVI affects reading, (ii) how current rehabilitation techniques or assistive technologies help improve reading in CVI and (iii) what more can be done to assist those individuals with CVI

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    Image of scientists posing

    Postdoctoral Training in Vision Research

    The Smith-Kettlewell Eye Research Institute (SKERI) is an NEI Institutional Training Grant Awardee. The grant was awarded to provide postdoctoral training in basic and clinical science relevant to translational vision research and rehabilitation.

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    Line drawing of a person facing a rig supporting two circular echo reflectors

    Human Echolocation

    What is echolocation? Sometimes, the surrounding world is too dark and silent for typical vision and hearing. This is true in deep caves, for example, or in murky water where little light penetrates.

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    The dots on the left are moving faster than the dots on the right side of the screen

    Motion Perception in Central Field Loss

    The project investigates motion perception in individuals with vision loss due to central retinal lesion, but who retain healthy peripheral retina.

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    Reading in mTBI

    People with mTBI often complain about dificulty in reading in spite of normal results in usual eye exams. We investigate this issue by looking at accommodation and reading rate and subjective measurement of reading difficuties for a variaty of reading tasks in normal and mTBI population. 

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    Adaptive Visual Strategies for Individuals with Macular Degeneration

    In this project we try to gain a better understanding of what visual strategies people use to gather information in the world.

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    Image of the retina with a centroid target superimposed. The fovea is off-center from the target.

    Fovea Use During Smooth Pursuit

    There is continuing debate as to whether smooth pursuit relies on the foveation of a moving target, especially when the target is compact. Previous studies have shown that gaze is placed on the center-of-mass of a target during saccadic eye movements.

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    Experimental equipment: head-mounted eye-tracking goggles and head movement sensor

    Coordination of Eye and Head Movements in Central Field Loss

    This project investigates the interaction between central field loss (CFL) and vestibular function.

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    Sample indoor sign showing automatic detection in yellow

    Sign Finder

    This project seeks to develop a computer vision-based system that allows a visually impaired traveler to find and read informational signs, such as signs labeling office doors, streets, restrooms and Exit signs.

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    map pose and exit detection image

    A Computer Vision-Based Indoor Wayfinding Tool

    The ability to navigate safely and confidently is a fundamental requirement for independent travel and access to many settings such as work, school, shopping, transit and healthcare. Navigation is particularly challenging for people with visual impairments, who have limited ability to see signs, landmarks or maps posted in the environment.

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