Andrew Huberman· PhD
after age 40 or so a lot of people will present to an eye care provider because we all get what's called presbyopia and presbyopia just translates to disease vision of the Aged so you know myopia is our word for nearsighted hyperopia is farsighted actually emat means normal sided so I can see at distance without any glasses I'm emat Tropic but then we all get presbyopia and as we age the lens inside our eye that's helping focus light onto our retina gets stiffer such that our eye muscles are no longer able to relax and reshape that lens and we're not as good as we age at moving our Focus from distance Vision distance Vision by the way is basically anything 3T or further away You're basically viewing light rays coming from Infinity at once you're past three feet so three feet or further being able to focus that into 14 in or 12 Ines which might be a normal comfortable reading space for you we lose that ability to flex our lens relax our lens uh refocus our lens from distance to near