What is a different pronoun for the words her glasses?

There isn't a single pronoun that directly replaces "her glasses". You need to consider the context and what you are trying to say. Here are some options depending on the situation:

If you are referring to the act of wearing the glasses:

* She - "She put on her glasses."

* They - "They helped her put her glasses on."

If you are referring to the glasses themselves as an object:

* Them - "She took them off her face."

* It - "The case held it securely." (if you are referring to a single lens)

If you are referring to the glasses in a more abstract sense:

* Her vision - "Her glasses helped her vision."

* Her sight - "She needed her glasses to improve her sight."

Ultimately, the best pronoun to use will depend on the specific situation and what you are trying to communicate.