No, "cataract" has two distinct meanings. It can mean a waterfall or a clouding of the lens of the eye. It does not mean "flooding".
waterfall
Intracapsular Cataract Extraction
This is not an English word. I think you many mean just cataract, which can be several things. I had a cataract removed from my eye. The kayak couldn't pass the cataract, so they had to go around it.
taking care of needs before wants
Simply mean that you are able to put someone else's feelings, needs ,or wants before your own and not be upset or irresponsible about it
It means co-operated with in secret.
Extracapsular cataract extraction (ECCE) is a category of eye surgery in which the lens of the eye is removed while the elastic capsule that covers the lens is left partially intact to allow implantation of an intraocular lens (IOL).
This could mean several things, all of them bad.The car needs to go to a mechanic before it hurts you!
The expression is a suggestion, serious or humorous, that one needs to pray to God for help, or that one needs to become humble and beg, groveling before a superior.
It means your a nut job that needs to back off before he files that restraining order
I believe it means you have 15% of your oil's life left before it needs to be changed.