Acer Aspire User's Guide
Page 11
... head at a higher level than your sitting height to achieve maximum comfort. xi The following sections provide suggestions on a distant point. • Blink frequently to reduce eyestrain. Observe the following tips: • refrain from drying out. Eyes • Rest your eyes frequently. • Give ... breaks by looking at the center 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 desk to an awkward viewing angle. The following ...
... head at a higher level than your sitting height to achieve maximum comfort. xi The following sections provide suggestions on a distant point. • Blink frequently to reduce eyestrain. Observe the following tips: • refrain from drying out. Eyes • Rest your eyes frequently. • Give ... breaks by looking at the center 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 desk to an awkward viewing angle. The following ...