While staring at a computer screen, smartphone, video game or other digital device for long periods of time won’t cause permanent eye damage, watch out: eyes can get dry and tired. Some people experience headaches or motion sickness when watching 3D movies, which can indicate problems with focus or depth perception. Do you know why computer users experience eyestrain? * Normally, the average number of blinks per minute is about 18, but research suggests that whether we’re at work or play, the number of blinks cuts in half when we’re using a computer or other digital device. * Prolonged reading, writing, or other concentrated close work can lead to eyestrain. What can I do about eyestrain? *Stay 25 inches (about 63 cm) from the screen and adjust the screen to a slightly downward-facing position; *Reduce screen glare by brightening the area, or wear goggles if needed; *Give your computer a random sticker: blink your electric eyes! to remind themselves to blink; * “20-20-20” rule: every 20 minutes to raise their eyes to look at least 20 feet (about 6 meters) away for 20 seconds; * dry eyes when the eyes to some artificial tears a little moisturizing; * to ensure that the regular computer work and rest, as far as possible to ensure that enough sleep. Computer control eye fatigue aggravated for what? Lack of sleep: When there is a lack of sleep, you may experience eye pain. This is because during sleep, your eyes can rest for a long period of time and be replenished with nutrients. Constant eye pain can lead to swelling, infection, and more dramatically if you wear contact lenses. *If you need to use your computer to complete marathon tasks, remember to take regular breaks or naps if possible; * Use a towel soaked in warm water to give your dry eyes a hot compress; * If you feel your eyes are dry and fatigued, you should stop working and take a nap or squint. Improper use of contact lenses: For contact lens wearers, especially those who need to use computers or other digital devices frequently, it is important to use and clean your contact lenses correctly, as proper operation will help to avoid eye pain, swelling, infection and vision problems. * Let your eyes breathe: wear frames for a while; * Avoid sleeping in your contact lenses, even though they are labeled to be worn for long periods of time; * Use a good cleaning solution. Here are a few tips to keep in mind when cleaning your contact lenses: * Avoid contact with water, and use a fresh solution to clean and preserve your lenses each time; * Always scrub your contact lenses when cleaning them, even if it’s a non-scrubbing care solution; * Clean your preservation case with a fresh care solution regularly, replacing it every 2 months to 3 months. If you experience any eye redness, blurred vision, tearing, photophobia, or pain, swelling, or the appearance of discharge, stop wearing contact lenses and seek medical attention as soon as possible.