Don't allow face cloths or sponges to block the drain, causing the tub to fill with water. Consider installing doors which swing open in both directions, or a fall-alarm system. Ensure that the screen is in good working order. Watch television at a distance of at least 3 metres, at a 45 degree angle. To reduce contrast and glare, always have a light on in the room, situated above and behind the viewer.
Some people report finding sunglasses helpful.
When using a modern computer, you can adjust the blink rate of the curson. When using a computer, try to use a modern monitor. Or try to use a LCD screen which doesn't flicker. Other Home Safety Measures Maintain well-lighted areas in and around the home. Keep floors free of obstacles.