It seems to me they should feel "better" all the time, so I might try to help her figure out what other options there are. I wish I knew more about them. All I really know is that my best friend growing up wore them, and they always seemed like a pain. She was always having to take them out or fiddle with them, or losing one and we'd have to look around for it, etc. The eye doctor told my DD that at age 21, her vision problems can be corrected with laser surgery, so that's something we'll definitely look into then.
The reason they start feeling worse towards the end of the month is that calcium from the eyes, naturally start building a slow film on the contacts over time. With traditional lens (versus the monthly lens) one has to use a calcium cleaner once a week to remove the calcium build up.
DD can still do that, like at the end of week 2. Take them out overnite and soak in the calcium remover made for soft lenses. Then pop them back in in the morning. She might have drier eyes and tight lids, like I have, and the calcium builds up more and faster than other people, who are able to make it though the whole month. She can also take them out occasionally and just clean them. (I used to have to take them out once a day just to squeegee off the cloudy calcium film.

) She can also check with her Dr. to see if she needs some moisture drops made for contact lens wearers. Or she might need something like Restasis, a prescription drops for very dry eyes.
As for getting Lasik, I finally got it done. I had extremely bad vision. I could have been declared legally blind. Be VERY careful who you go to. I ended up going to a chop shop who didn't correct my eyes quite right.

The Dr. was recommended to me by two co-workers, one of which hadn't told me HIS eyes weren't corrected quite right either.

I was
verbally told at the time of the surgery that if I needed it, the Dr would tweak my eyes afterwards for free. BUT, I didn't get it in writing. So he would have charged me full price again to get ONE eye done again, which was all he was going to do. Grrr!
I can see a LOT better. I do not need glasses for most things. But, whereas before, I used to see perfectly close up, and for an artist who needs to see very fine details, that is crucial, I NOW need reading glasses to anything close up.

But, I get those from the dollar store now, instead of the $400 it used to cost for prescription glasses, or the $80 every couple of months for the disposable contacts.
Make sure DD gets Lasik or any eye surgery done at a young enough age. I was just on the cusp and probably should have been cut off. Again part of the problem of going to a chop shop was was doing it for money.

Eyes are muscles, and like ALL muscles, they lose elasticity over time and it takes longer to recuperate. I needed eye drops every couple of hours for close to a year, as my dry eye problem was exacerbated after the Lasik surgery.