1. Idea #1: The glasses made both a new enemy and a new friend for Piggy. The enemy, Jack, was made when he smacked Piggy in the face, and knocked Piggy's glasses off. The friend, Simon, was made when he found Piggy's glasses when Piggy couldn't see him.
1.1. Text Evidence #1: "...Jack smacked Piggy’s head. Piggy’s glasses flew off and tinkled on the rocks. (pg. 71)
1.2. Text Evidence #2: "He went crouching and feeling over the rocks but Simon, who got there first, found them for him." (pg. 71)
1.3. Both of the pieces of evidence show that Golding uses the symbol to show how...
2. Idea #2: The glasses acted as a calling card as to how the boys can be rescued. This occurred when Ralph couldn't make a decision and realized that his glasses are the cause of them being rescued, and in another chapter, the glasses flashed, which could signal a rescue ship.
2.1. Text Evidence #1: “Was it better to fetch Piggy’s glasses, or would the ship have gone? Or if they climbed on, supposing the fire was all out, and they had to watch Piggy crawling nearer and the ship sinking under the horizon?” (pg. 67)
2.2. Text Evidence #2: “Piggy stirred. ‘I’ll come.’ Ralph turned to him. ‘You’re no good on a job like this.’ ‘All the same-’ ‘We don’t want you,’ said Jack, flatly. ‘Three’s enough.’ Piggy’s glasses flashed. (pg. 24)
2.3. Both of the pieces of evidence show that Golding uses the symbol to show how...
3. Idea #3: The glasses show how Piggy feels when people call him Piggy. Based on the description at the start of the book, Piggy is fat, with brown hair, and of course there's the glasses. However, when Piggy hears people call him that, he feels threatened and his glasses mist up with humiliation.
3.1. Text Evidence #1: "Piggy’s glasses were misted again-this time with humiliation." (pg. 25)
3.2. Text Evidence #2: "The fat boy glanced over his shoulder, then leaned toward Ralph. He whispered. 'They used to call me 'Piggy.'' Ralph shrieked with laughter He jumped up. 'Piggy! Piggy!'" (pg. 11)
3.3. Both of the pieces of evidence show that Golding uses the symbol to show how...
