People like you and me who do a lot of reading can find their eye-sight weakening because of under-use. While we are reading, or thinking about what we have read, or other abstractions, our minds are not focusing on what is in our field of vision, but on things that are in our mind; so our eyes become lazy and lose sharpness. A corrective therapy is to make a point of consciously focusing on what is in our field of vision. As we walk around, push ourselves out of our reverie by keep saying to ourselves: "Wow; Look at That."
I find that if I bring a camera with me - nowadays built into one's mobile phone - I can keep myself in the present moment by looking for subjects for a photograph. Unfortunately, this means that I have built up such a collection of images that it takes hours to find anything in the collection. So, today, I said to myself, "I will just say to myself, 'Look at that; that's a good subject,' and not actually take the photo." My self-advice did not work. The subjects found were so compelling that I just snapped them anyway.
Not to worry, using my camera
- kept me walking, which is the most beneficial form of exercise for an almost 80 year-old,
- kept me "in the present," which is considered to have considerable health benefit,
- kept me saying to myself, "Look at That," which focuses my eyes and keeps them active
- kept me occupied with a current task, which is the best meditation.
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