Eye strain while reading isn’t always about your eyesight 👀📖 During our exam, we use a VNG (videonystagmography) — infrared camera technology that tracks the small eye movements that make up how we see. If your eyes overshoot or undershoot their target, or don’t work together properly up close, your brain has to work overtime — leading to fatigue, strain, and headaches. Another common issue is convergence, where the eyes struggle to focus together when reading or looking at something close. Th