For example, a flexible light, such as a gooseneck lamp, can provide good illumination onto your reading or work area. Your posture, the position of your light and where you hold what you want to see all play a role in your ability to see. Sometimes holding reading material closer to your eyes with a high wattage light focused on the words can make a big difference. Telescopes - Miniature telescopes and binoculars, some of them worn like eyeglasses, may help some people with distance viewing. Special eyeglasses - Bifocal or trifocal glasses that are stronger than normal may help.
Prism glasses can help the good spots in one eye cancel out the bad spots in another.
They range from video reading systems that enlarge type 60 times to auto-focus spectacle telescopes to talking computer systems.