Looking at bright objects has a negative impact on the eyes, and sunglasses help protect the eyes from glare off the river surfaces. Given these facts, what can sunglasses protect against among the following options:
- fissures of hot, acidic water
 - rays or beams
 - Looking at sunglasses
 - Looking at bright objects
 - Looking at dark objects
 - Looking at newspapers
 - enormous damage to homes
 - Light passing through water


 

    Looking at bright objects     