Within 12 weeks of the mRNA vaccine the hazard ratio (HR) of retinal vascular occlusion (RVO) is about 4. That is four times more likely to find RVO in these persons compared to unvaccinated.
Within 2 years, the HR is 2.19. That is mRNA vaccinees had more than twice the association with the RVO compared to unvaccinated.
Authors did say that they do not have a causation proven.