> but the pupils would be much more open than they would be in sunlight. That is the crux of the problem. In sunlight, your pupils are so constricted that negl

> but the pupils would be much more open than they would be in sunlight. That is the crux of the problem. In sunlight, your pupils are so constricted that negligible light hits the retina. But at night, they're fully dilated and a sudden burst of laser can cause harm.