alt Hacker News>after a lifetime of perfect vision, one day I was reading a book and noticed that everything was a little blurry
go to an ophthamologist and after testing you'll be told that you still have perfect vision! (the need for reading glasses after a certain age is considered normal, not a defect)
Presbyopia, atherosclerosis, even metabolic syndrome are normal consequences of aging. No one can stay young until they die of old age, the best outcome is preserving as much quality of life until the end.