Here is an example of an orchid that does well in a viv. Cishwenfia pusillia.
When I first got it, I just hung it near a door way with plenty of ventilation, and light. But it dried out often and it started to loose all its leaves. Imagine a person going bald in just a few weeks.

Not a pretty site.
Then I put it in a 55 gallon viv and the leaf dropping stopped very quickly. I repotted it into a fake rock planter, with fern root, gravel, and sphag moss. I also cut the dead and rotting roots. Today its growing lots of new leaves, and looks very good with the exception of one yellow leaf. This leaf has been yellow since I put the plant in the viv, so you could say it stopped dieing. The plant has been in the vivarium since February.

And here is the Cynops orientalis that often calls this plant home
