Red eyes and sudden trouble focusing may happen with dry eye, but abrupt vision loss is more concerning

https://visionresponse213.westhavenscope.com/posts/14-protective-eyewear-habits-to-prevent-eye-injuries-in-sports-work-and-diy-projects

Red eyes and sudden trouble focusing may happen with dry eye, but abrupt vision loss is more concerning. If symptoms are new or worsening, get medical help promptly.