If sunglasses can protect against looking at bright objects, like glare off the river surfaces, then what can sunglasses protect against?

Answer choices:
- 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      