May need to include more time for naps during the day. Keep the drapes open during the day to provide plenty of daylight. Some form of exercise during the day may improve sleep patterns. If you can't sleep, it is better to get up for awhile than to lay there and toss and turn. More light is needed to see because the eyes adapt to changes in light more slowly.
Eye lens gradually clouds causing vision to become less clear.
Problems with depth perception may require bifocals to see things both near and far. Decreased tear production may lead to dryness, itching, and burning. Increase the lighting in the home, especially in the work and reading areas. Use a hand held magnifying glass. Large print books and magazines may be available at your local library.