An illuminated magnifying glass on a stand resting on the floor. These are expensive but very useful for sewing or reading for many people. These are expensive but useful for sewing or hobbies. There are many different types of spectacle aid. Some use one eye, some use both eyes.
Some newer devices use a type of television camera and are elctronic and very expensive.
If you are ages 85 years, you may not be able to get used to such a device. If you are younger they can be extremely effective.