Ah that's interesting then. My guess would be that it doesn't close the iris as much then. However the linked does show 16% reporting dim vision, so there's som

Ah that's interesting then. My guess would be that it doesn't close the iris as much then. However the linked does show 16% reporting dim vision, so there's some further work needed there (pupil size varies across the population, and there's the usual variation in dose efficacy.)