In general the things that are good for your general health are good for the eye with almost no exceptions: Do no use tobacco or cannabis products in any form, eat a healthy diet (frutis, fiber, fish, berry, nuts, dark leafy greens), avoid obesity which in turn will reduce the risk of diabetes, hypertension and arteriosclerosis all of which can damage the eye, wear proper eye protection for contact sports and tasks with high risk of eye injury, (welding, metal on metal hammering, fireworks, fire-arms), Protect the eyes and body from excess sun exposure and wear uV blocking sunglasses, especially if there is a family history of eye disease like glaucoma have regular eye exams when young and yearly after 40. There is a world wide epidemic of myopia, primary cause is prolonged near work (phones, computers, videos,) and inside activities. Studies have shown that in children the development of myopia or slowing its progression can be lessened by outdoor play 1-2 hrs/day. The prolonged near focus for books/video screens is a driver of myopia. For the myopic and very myopic avoid activities that jerk the head/eyes around or have high G forces (e.g. amusement rides, hanging everted) Keep good mental health, have a good social network. For those young and developing progressive high myopia low dose atropine drops have been shown to slow myopia down. In eclipse years and every year do not stare at the sun.
And, for people concerned about their eye health affected by laser treatment, there is a paper published on nature which would be helpful to quantify the effects of the laser treatment on their general retina health.