Display calibration is the process of adjusting your monitor so that what you see on the screen more closely matches standard visual values — from accurate color reproduction to consistent brightness measurements — giving you clearer and more reliable visuals across devices and tasks. Proper calibration aligns your display’s output with recognized standards such as the RGB color model, which is fundamental to most digital content. This ensures that images and text appear as intended, whether you’re editing graphics, reviewing detailed documents, or simply browsing online. After calibration, it’s equally important to test your display to catch subtle issues like uneven backlighting, glare, or brightness variance that can affect comfort and precision over long sessions. A basic yet effective approach to this is using a black screen for display testing — a plain dark backdrop makes display imperfections more obvious than a busy interface would. Simple checks like this can help you spot and address problems early, improving readability and reducing strain during extended screen time.