Hi. I'm online and happy to answer your question today.
That procedure is called orthokeratology. It uses contact lenses that are designed to be worn all night long so, as far as wearing the lenses while you sleep, that is not a huge concern.
Here is a website that promotes this procedure: http://www.allaboutvision.com/contacts/orthok.htm
There are many patients who are happy with this temporary improvement in their vision. As an ophthalmologist I am concerned about your dry eye issues. Having very dry eyes could put you at a greater risk for a corneal abrasion and possible infection while having the front of your eye temporarily reshaped by the contact lens.
Another type of non-invasive , non-laser vision correction that works very well is.......well.....glasses. lol!
All humor aside, the best way to have be less dependent on glasses nowadays is lasik surgery. Since you have severe dry eyes I would not recommend that you have orthokeratology treatment.
Does this make sense to you?
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I see that you are offline. I'll switch over to the Q&A system. This system works a lot like 'text messaging' but an email is sent to each of us anytime something is posted to this thread. We can continue to work on your question there..... :)