there has been no scientific evidence provided in this thread that confirms any health issues with extending the wear times. there do seem to be posts designed to frighten people. If there are specific peer-reviewed reports, please provide them.

in the mean time, assuming you are using a hydrogen peroxide based daily disinfectant, lens material does not appear to degrade with 1 month use.

it is possible to see clarity falling off as protein deposits build up. fortunately, there is a product "unizyme" that you can use once a week or two that breaks these down.

( I'm not associated with the company in any way )