Which pigmented part of eye prevents internal reflection of light?

Explanation

To answer the question "Which pigmented part of the eye prevents internal reflection of light?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Reflection**:
- Reflection refers to the bouncing back of light when it hits a surface. In the context of the eye, it is important to understand how light interacts with different parts of the eye.

2. **Identify the Relevant Parts of the Eye**:
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