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Photograph of Laura Walker

Laura Walker

Senior Visual Experience Engineer, Apple, Cupertino CA

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Publications

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Journal Articles

The crowding factor method applied to parafoveal vision. (2016). The crowding factor method applied to parafoveal vision. Journal Of Vision, 16(11), 7.

Eye-hand reference frames misalign after central field loss. (2015). Eye-hand reference frames misalign after central field loss. Investigative Ophthalmology & Visual Science, 56(7).

Random Word Recognition Chart Helps Scotoma Assessment in Low Vision. (2015). Random Word Recognition Chart Helps Scotoma Assessment in Low Vision. Optometry And Vision Science, 92, 421.

Adapting the oculomotor reference frame. (2014). Adapting the oculomotor reference frame. Journal Of Vision, 14(10). Retrieved from http://jov.arvojournals.org/article.aspx?articleid=2144536&resultClick=1

Patient awareness of binocular central scotoma in age-related macular degeneration. (2012). Patient awareness of binocular central scotoma in age-related macular degeneration. Optometry & Vision Science, 89, 1395–1398.

Effect of task and behavioral demands on saccadic targeting. (2011). Effect of task and behavioral demands on saccadic targeting. Journal Of Vision, 11, 556–556.

Eye-hand coordination in rapid, goal directed movements. (2011). Eye-hand coordination in rapid, goal directed movements. Journal Of Vision, 11, 946–946.

Recalibration of eye and hand reference frames in age-related macular degeneration. (2011). Recalibration of eye and hand reference frames in age-related macular degeneration. Journal Of Vision, 11, 954–954.

Attention vs. The Eye: Which stabilizes fixation?. (2010). Attention vs. The Eye: Which stabilizes fixation?. Journal Of Vision, 10, 502–502.

Quantitative measurement of retinal structures relative to the geometric axis of the eye. (2009). Quantitative measurement of retinal structures relative to the geometric axis of the eye. Invest. Ophthalmol. Vis. Sci, 50.

Stability of eccentric attention. (2009). Stability of eccentric attention. Journal Of Vision, 9, 393–393.

Uncertainty reduction as a theory for fixation selection. (2009). Uncertainty reduction as a theory for fixation selection. Journal Of Vision, 9, 11–11.

Effect of central scotoma on eye movement behavior. (2008). Effect of central scotoma on eye movement behavior. Journal Of Vision, 8, 641–641.

The pupil dilation response to visual detection [6806-27]. (2008). The pupil dilation response to visual detection [6806-27]. Proceedings-Spie The International Society For Optical Engineering, 6806, 6806.

Efficienct Eye Movements for Low Vision Rehabilitation. (2007). Efficienct Eye Movements for Low Vision Rehabilitation. Journal Of Vision, 7, 98–98.

Orientation discrimination in the periphery depends on the context. (2007). Orientation discrimination in the periphery depends on the context. Journal Of Vision, 7, 585–585.

Where to look next? Eye movements reduce local uncertainty. (2007). Where to look next? Eye movements reduce local uncertainty. Journal Of Vision, 7, 6.

Eye movements incorporate knowledge of part structure. (2006). Eye movements incorporate knowledge of part structure. Journal Of Vision, 6, 482–482.

An information maximization model of eye movements. (2005). An information maximization model of eye movements. Advances In Neural Information Processing Systems, 17, 1121-8.

Modeling eye movements in a shape discrimination task. (2005). Modeling eye movements in a shape discrimination task. Journal Of Vision, 5, 921–921.

Sequential information maximization can explain eye movements in an object learning task. (2004). Sequential information maximization can explain eye movements in an object learning task. Journal Of Vision, 4, 744–744.

When is scene identification just texture recognition?. (2004). When is scene identification just texture recognition?. Vision Research, 44, 2301–2311.

Real-time quantitative measurement of autocrine ligand binding indicates that autocrine loops are spatially localized. (1998). Real-time quantitative measurement of autocrine ligand binding indicates that autocrine loops are spatially localized. Proceedings Of The National Academy Of Sciences, 95, 15368–15373.

Conference Papers

Saccadic targeting depends on both the pre-cue and task. (2011). Saccadic targeting depends on both the pre-cue and task. In PERCEPTION. PION LTD 207 BRONDESBURY PARK, LONDON NW2 5JN, ENGLAND.

The pupil dilation response to visual detection. (2008). The pupil dilation response to visual detection. In Electronic Imaging 2008. International Society for Optics and Photonics.

Presentations/Posters

Restoring Functional Stereopsis in AMD with Dichoptic Training. (2016). Restoring Functional Stereopsis in AMD with Dichoptic Training. Date Published 05/2016.

SKERI-Optos: A Graphical User Interface to Map Scotoma and PRL with the Optos OCT/SLO. (2016). SKERI-Optos: A Graphical User Interface to Map Scotoma and PRL with the Optos OCT/SLO. Date Published 01/2016.

Other Publications

Method and Device for Improving Functional Stereopsis in Individuals with Central Vision Loss. (2018). Method and Device for Improving Functional Stereopsis in Individuals with Central Vision Loss. Date Published 01/2018.

Quantitative Assessment of Autocrine Cell Loops. (1999). Quantitative Assessment of Autocrine Cell Loops. In Tissue Engineering Methods and Protocols (pp. 143–154). Humana Press.

Completed

Impact of Eye Movements on Reach Performance

Aim 2 of Reaching with Central Field Loss

Completed

Reaching with Central Field Loss

Parent R01

Completed

Parafoveal Crowding

Crowding increases with eccentricity, and is most readily observed in the periphery. During natural, active vision however, central vision plays an important role. Measures of critical distance to estimate crowding are difficult in central vision, as these distances are small. Any overlap of...

Completed

SKERI-VF

Walker et al (Renninger, Psomadakis, Dang & Fletcher, 2008) suggested a novel method to estimate the monocular scotoma area from perimetry data in macular degeneration based on (i) an optic-disc based estimation of the location of the fovea and (ii) the increase in the receptive field size with eccentricity. Here, Dr Walker and I introduce a new GUI that applies this method to data from the Optos OCT/SLO.

Mentorship Period

January 2003 - January 2006

Mentors

I completed my BS in Chemical Engineering at MIT and PhD in Vision Science at UC Berkeley. At Berkeley, I studied with Dr. Jitendra Malik using psychophysics to validate computer vision algorithms. During my postdoctoral training with Drs. Preeti Verghese and James Coughlan at Smith-Kettlewell, I developed a computational model of eye movements and continue to apply and develop these models to predict how changing eye movements can improve vision for people different retinal diseases. My most recent project examines the impact of central vision loss on eye-hand coordination. The ultimate goal is to take what is learned in the laboratory and translate it into low vision rehabilitation therapies.