Q: Fact 1: Looking at bright objects has a negative impact on the eyes. Fact 2: Outside, the sun is bright. Given the two facts above, looking at what has a negative impact on the eyes?

Select from: (1). disease (2). Pollution (3). Allergies (4). shadows (5). the Sun (6). sun's heat (7). the moon (8). the inside of eyelids
A:
(5).