PI: INTRODUCTION
How good are glaucoma patients during navigation in VR?


Hoste A.M., 2003

Collett, T. S., & Graham, P. (2004)


PI: methods


VR Outcome Measures
- Travel Time
- Pointing Time
- Error distance
1
2
3
0
PI: methods







GROUP : ~ 8 s **
DAYLIGHT : ~ 1s *
DAYLIGHT: ~ 0.5 vm **
GROUP: ~ 5 s *
DAYLIGHT: ~ 3.5s **
PI: results


* : p < 0.05 ** : p < 0.01



GROUP : ~ 8 s **
DAYLIGHT : ~ 1s *
DAYLIGHT: ~ 0.5 vm **
GROUP: ~ 5 s *
DAYLIGHT: ~ 3.5s **
PI: results


* : p < 0.05 ** : p < 0.01
What is the effect of visual impairment on navigation performance?
VI: MEASUREMENTS

BCVA[logMAR]



VF (MD)

pRFNL
RELATIONSHIP: VI and VR OuTCOMES





VF ⇔ Time Measures
VA ⇔ Distance Measure
- Insecurity in glaucoma patients makes them slower
- Visual Field deficits
- Accuracy improvement in the environment with daylight
- Trade-off between time and accuracy
- Visual acuity affects distance judgement
CONCLUSION


ACKNOWLEDGEMENT
THANKS!
This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 955590.
DZNE
WolbersLab
OVGU
Visual Processing Lab




Khaldoon
By Safa Andac
Khaldoon
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