Possible Clues:

• Malicious woman has a car thrown over top of the waterfall
• It's more than a tear that falls from your eye
• There's a big fall in optical deterioration
• Fall for this in a big way and get it in the eye
• Sounds as if I get a lot of water down there
• Force might affect one's view of things
• It may prevent someone seeing a waterfall
• With this you won't see the water coming down
• Waterfall - eye problem
• Bookkeeper, perhaps, and sailor feign an eye problem