Name the enzyme present in tears which prevents eye infections.

Explanation

### Step-by-Step Solution:

1. **Identify the Question**: The question asks for the name of the enzyme present in tears that helps prevent eye infections.

2. **Recall Relevant Information**: The enzyme that is known to be present in tears is called **lysozyme**.

3. **Understand the Function of Lysozyme**: Lysozyme is an enzyme that catalyzes the breakdown of certain carbohydrates found in the cell walls of bacteria. This action helps to destroy bacterial cells, thereby preventing infections.

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