based on OneByOne's recommendation some years ago I got a BigLook. I can't find the site now, but here is a thread on it
Question about the Big Look Sewing Platform
There might be something similar out there or maybe someone here has one they will sell you?
I have MacTel2 like Bonnie Hunter and face a lot of the adaptability issues you have or will have eventually.
RE: dark fabrics, I put them on the bottom. I have 4 or 5 different small cutting mats of different colors and constantly change them out when I'm having trouble seeing.
I have led light bars everywhere I work
I have put neon stick on letters on my keyboard, that actually came with a little USB light to lean over the keyboard. I don't use it because I have lights on both sides of my computer
I ordered a big dry erase whiteboard to hang in the kitchen to put appointments on.
I use the control key plus the + sign on my keyboard to enlarge webpages to 150%.
And a real significant shift...I used to make complicated quilts with small pieces. Now I use small pieces to make quilts that look complicated
I sold my featherweight and bought a little Eversewn Sparrow for my traveling machine because threading needles on the vintage ones was just impossible.
I bought a good quality monocular so I can read the isle signs in the grocery store and carry a small magnifier so I can read labels.
Sold and donated 6 bookcases full of books and invested in an Ipad and use the kindle app to read, set at 150% size font.
I spent 2 years making my own precuts from my fabrics and board members scraps against the day I won't be able to cut. I've already decided I have no desire to invest in a cutter machine. I'm now dipping into those lovely personal precuts and am very thankful for them.
I hope at least something here helps, seems I adapt to being able to do something still each day. Hugs, Sharyn