Feb 8, 2018

Fixes all known crash reports
(inc Android 7.x, 8.x)

Fine tune test according to Settings/Units
(e.g. for Snellen Metric,
test LogMAR 0.17 = 6/9,
not LogMAR 0.2 = 6/9.5)

Test to LogMAR -0.3 in Developer Mode
For Research Only, not clinically validated
(LogMAR -0.3 = 6/3 = 20/10)