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Self-Testing of Vision in Age-Related Macula Degeneration: A Longitudinal Pilot Study Using a Smartphone-Based
Christina Winther1, Lars Frisén1
1Department of Clinical Neuroscience and Rehabilitation, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, 413 45 Gothenburg, Sweden.
Journal of Ophthalmology
|July 1, 2015
Summary
The MultiBit Test (MBT), a new vision self-test app for neovascular age-related macula degeneration (AMD), shows promise. It accurately tracks vision changes, reflecting clinical status and treatment effectiveness in patients.
Area of Science:
- Ophthalmology
- Medical Technology
- Vision Science
Background:
- Neovascular age-related macula degeneration (AMD) requires efficient vision self-monitoring.
- Current self-testing methods for AMD may lack accuracy or efficiency.
Purpose of the Study:
- To introduce and evaluate the performance of a new tablet/smartphone application, the MultiBit Test (MBT), for self-testing vision in patients with neovascular AMD.
- To assess the MBT's ability to reflect clinical status and treatment outcomes longitudinally.
Main Methods:
- The MultiBit Test (MBT) utilizes segmented digits composed of rarebits (bright dots) presented briefly on a dark background.
- Twenty-eight patients with neovascular AMD were monitored over an average of 30 weeks using the MBT.
- MBT scores were compared with clinical assessments performed at independent examinations.
Main Results:
- Serial MBT results showed gradual improvement after successful anti-neovascular treatment and deterioration upon recurrence.
- MBT performance correlated well with clinical assessments, outperforming a standard acuity test.
- All study participants accepted the MBT application.
Conclusions:
- The MultiBit Test (MBT) demonstrates significant potential as an effective tool for vision self-testing in patients with neovascular AMD.
- Large-scale studies are warranted to further validate MBT performance.
- Exploring MBT's utility in other maculopathy conditions is recommended.
