Acer XB271H User Manual - Page 8

English Taking care of your vision Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room lighting, poorly focused screens, very small typefaces and low-contrast displays could stress your eyes. The following sections provide suggestions on how to reduce eyestrain. Eyes Display Keep your head at a higher level than the top edge of the display so your eyes point downward when looking at the middle of the display. text readability and graphics clarity. source using a display visor, such as a piece of cardboard extended from the display's top front edge Avoid looking at bright light sources, such as open windows, for extended periods of time. Developing good work habits Develop the following work habits to make your computer use more relaxing and productive: viii