Effect of Glaucoma
on NAVIGATION
in virtual reality
Andac S.1, Stolle F.H.1, Bernard M.2, Thieme H.1, Al-Nosairy K.O.1, Wolbers T.2,3, Hoffmann M.B.1,3
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.
1Ophthalmic Department, Otto-von-Guericke University Magdeburg, Germany
2Aging, Cognition and Technology Lab, German Center for Neurodegenerative Diseases
3Center for Behavioral Brain Sciences Magdeburg, Germany
Outline
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
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
dog-presentation
By Safa Andac
