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Using devices will not damage your eyes. But staring at them for long periods of time can give rise to dry eyes, blurry vision, teary or watery eyes, headache and neck strain (digital eye strain). Practice good eye health habits like the 20-20-20 rule: resting your eyes every 20 minutes by looking out 20 feet away for 20 seconds.
Using devices does expose your eyes to blue light. But there is currently no evidence that it causes damage to your eye. Blue light has been shown to affect our circadian rhythm or sleep cycle. So too much blue light exposure late at night from using devices can affect your sleep.
Excessive sunlight or UV light exposure can increase the risks of cataracts, growths on the eye called pterygiums and even cancer such as melanoma. Exposure to reflection from the snow can cause a condition called snow blindness. So, it is advisable to wear UV-blocking sunglasses when outdoors.
Food choices good for eye health include
The American Academy of Ophthalmology issued a statement in 2014 about vision therapy: “Currently, there is no adequate scientific evidence to support the view that subtle eye or visual problems cause learning disabilities. Furthermore, the evidence does not support the concept that vision therapy or tinted lenses or filters are effective, directly or indirectly, in the treatment of learning disabilities. Thus, the claim that vision therapy improves visual efficiency cannot be substantiated.”