High Myopia and lazy eye amblyopia.)

Hello Dr , my eye power number of right eye is -10.5 and left eye no. Is - 17 with 3 cylindrical , my question are as follows :- 1) i am 25 yr age right now my eye no. Is increasing every year what should one do to take care so that no. Will not increase in future 2) what is slit lamp examination 3) my retina is weak because of high myopia how to take care of retina what to do and donts 4) my left eye is lazy eye amblyopia how to treat it for better vision 5) Dr recommended ICL after topography and retina checked , is ICL is safe , is there any side effects of ICL 6) What's the best eye lubricant drop brand for dry eyes and photophobia and how to treat photophobia what's the solution for it 7) I have researched that omega 3 is good for eyes what are the good sources in plant based diet and good brand supplements for it ( Amway or some another brand )