Pink eye is caused due to

Options

A. Blockage of canal of Schlemn
B. Damage to retina
C. Inflammation of conjunctiva
D. Opaqueness of lens

Answer

To solve the question "Pink eye is caused due to," we will analyze the options provided and identify the correct cause of pink eye.

### Step-by-Step Solution:

1. **Understanding Pink Eye**: Pink eye, also known as conjunctivitis, is an inflammation of the conjunctiva, which is the thin, clear tissue covering the white part of the eye and the inside of the eyelids.

2. **Analyzing the Options**:
- **Option A: Blockage of canal of Schlemm**: This option refers to a structure involved in the drainage of aqueous humor in the eye. A blockage here does not cause pink eye, so this option is incorrect.

- **Option B: Damage to retina**: The retina is the light-sensitive layer at the back of the eye. Damage to the retina does not lead to pink eye, making this option incorrect as well.

- **Option C: Inflammation of conjunctiva**: This is the definition of pink eye (conjunctivitis). Therefore, this option is correct.

- **Option D: Opaqueness of lens**: This condition is known as cataract and does not cause pink eye, so this option is also incorrect.

3. **Conclusion**: Based on the analysis, the correct answer is **Option C: Inflammation of conjunctiva**.

### Final Answer:
Pink eye is caused due to **inflammation of conjunctiva**.

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