December 2024
Volume 13, Issue 12
Open Access
Letters to the Editor  |   December 2024
Author Response: Effect of Depth-Dependent Integrated Visual Field on Vision-Related Quality of Life in Glaucoma
Author Affiliations
  • Andrew Turpin
    Lions Eye Institute, Perth, Australia
    Curtin University, Perth, Australia
    andrew.turpin@lei.org.au
  • Allison M. McKendrick
    Lions Eye Institute, Perth, Australia
    University of Western Australia, Perth, Australia
    University of Melbourne, Parkville, Australia.
Translational Vision Science & Technology December 2024, Vol.13, 2. doi:https://doi.org/10.1167/tvst.13.12.2
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      Andrew Turpin, Allison M. McKendrick; Author Response: Effect of Depth-Dependent Integrated Visual Field on Vision-Related Quality of Life in Glaucoma. Trans. Vis. Sci. Tech. 2024;13(12):2. https://doi.org/10.1167/tvst.13.12.2.

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      © ARVO (1962-2015); The Authors (2016-present)

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We were very pleased to see that Gazanchian and Jansonius have made use of the method described in our previous publication, “A Depth-Dependent Integrated VF Simulation for Analysis and Visualization of Glaucomatous VF Defects,”1 and we would like to point interested readers to the new location for the online version of the R package: https://binovisualfields.lei.org.au/binovisualfields
Gazanchian and Jansonius estimated binocular integrated visual fields at distances of 100 cm and 25 cm (in both cases, the observer was fixating at 60 cm). These distances represent many daily activities in peripersonal space (for example, reaching for a coffee cup on your desk while still watching your laptop screen). The validated questionnaires used by the authors are not specifically designed as sensitive instruments for self-reported difficulty on these types of tasks. Prior literature demonstrates that glaucoma can impact both the precision and time taken to successfully complete tasks with a visuomotor component.25 Indeed, part of our original motivation for devising the method to quantify depth-dependent integrated visual fields was the observation that people with visual field loss are slower at reaching, grasping, and pointing tasks than age-matched controls.3,4 We suggest that further work should be conducted using such methods to determine whether the size of “volume scotoma” impacts the accuracy or speed of task performance requiring depth judgments in peripersonal space. 
References
Liu P, McKendrick A, Ma-Wyatt A, Turpin A. A depth-dependent integrated VF simulation for analysis and visualization of glaucomatous VF defects. Transl Vis Sci Technol. 2020; 9(3): 8. [CrossRef]
Kotecha A, O'Leary N, Melmoth D, Grant S, Crabb DP. The functional consequences of glaucoma for eye-hand coordination. Invest Ophthalmol Vis Sci. 2009; 50(1): 203–213. [CrossRef] [PubMed]
Rubinstein NJ, Anderson AJ, Ma-Wyatt A, Walland MJ, McKendrick AM. The effects of ageing and visual field loss on pointing to visual targets. PLoS One. 2014; 9(5): e97190. [CrossRef] [PubMed]
Dive S, Rouland JF, Lenoble Q, Szaffarczyk S, McKendrick AM, Boucart M. Impact of peripheral field loss on the execution of natural actions: a study with glaucomatous patients and normally sighted people. J Glaucoma. 2016; 25(10): e889–e896. [CrossRef] [PubMed]
Lombardi M, Zenouda A, Azoulay-Sebban L, et al. Correlation between visual function and performance of simulated daily living activities in glaucomatous patients. J Glaucoma. 2018; 27(11): 1017–1024. [CrossRef] [PubMed]
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