Signs and symptoms. The symptoms of Fuchs’ dystrophy are subtle at first. The condition has two stages. In the first stage the person may be asymptomatic. They may have hazy vision when they wake up in the morning, but as the day wears on, their symptoms improve. In the second stage, the hazy vision persists and is at its worst in the center of their field of vision. They also feel like they have sand or grit in their eyes. The blisters in the cornea may be painful, and the visual problems get worse in places that are hot and humid. They see glare and colored halos around light, and their eyes become sensitive to light. They may also have trouble with their night vision.