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Digital devices have become a part of daily life for most people. All that screen staring has lead to the growing health issue of digital eye strain–the physical discomfort felt after two or more hours in front of a digital screen be it a computer, tablet, smartphone, e-reader, TV, or video game.
There are other discomforts associated with digital eye strain other than just eye strain. Headaches, blurred vision, dry eyes, and neck and shoulder pain are also often experienced with this condition.
Globally, a 16-45-year old typically spends 418 minutes — two minutes short of seven hours — a day looking at screens according to research firm Millward Brown. This includes watching television, using the internet either on PC or laptop and viewing smartphones and tablets.
Mobile devices account for nearly half of all screen time when combining smartphone and tablet usage. In most cases, people spend more time looking at screens than sleeping with the average user in China spending 480 minutes per day. This is not as high as Indonesians who spend an eye-watering 540 minutes per day looking at screens.
The concern from this is the effect of the ‘blue-light’ emitting from devices. Research suggest that high levels of accumulated and constant exposure can cause damage to retinal cells and lead to age-related macular degeneration (AMD), cataracts and lead to the eyes being vulnerable to free radical damage.
The easiest way to avoid digital eye strain is to take a break from the devices for a while. We are in the habit of bringing them everywhere and using them whenever we are need a distraction. However, making a conscious effort to do something else will help your eyes.
Taking antioxidant nutrients may help to maintain eye health and vision. Key antioxidants for eye health include zinc, copper, and vitamins C and E. Lutein is an antioxidant nutrient stored in the eyes, brain, blood and skin. The highest concentration is found in the macular area of the retina in the eyes. It is thought that lutein may help support our eye health, particularly as we get older and are at a greater risk of developing age related eye conditions. Lutein provides antioxidant functions to improve and protect the health of the macular region by increasing the density of the macular pigment, which absorbs harmful blue light and reduces oxidative damage.
In addition to lutein, antioxidants in bilberry also help to support and protect eye health.
Vitamin A is an important source of daytime and night vision. Vitamin A is also required for healthy skin and healthy mucosal maintenance. Omega-3 fatty acids are also important for eye health.
Lutein are found in green vegetables, corn, grapes, salmon, tuna and kiwi fruit. General adult daily intake of lutein 6 mg is recommended and for the elderly, daily intake is recommended between 10 to 20 mg .