Fig. 2From: Neuro-ophthalmologic symptoms after coronavirus disease 2019 vaccination: a retrospective studyHess screen tests and eye movements in case 6, demonstrating left fourth nerve palsy. a Nine cardinal gaze directions showing left superior oblique underaction on day 3. b Hess screen test on day 15. c Hess screen test on week 7. d Hess screen test on week 20Back to article page