Which of the following ocular part is totally devoid of blood capillaries?

Options

A. Iris
B. Choroid
C. Ciliary muscles
D. Lens

Answer

To solve the question "Which of the following ocular part is totally devoid of blood capillaries?", we will analyze each option provided.

### Step-by-Step Solution:

1. **Identify the Options**: We need to evaluate the ocular parts mentioned in the options. The options typically include parts like the iris, choroid, ciliary muscles, and lens.

2. **Evaluate the Iris**:
- The iris is the colored part of the eye that controls the amount of light entering the eye.
- **Conclusion**: The iris has blood vessels and is not devoid of blood capillaries.

3. **Evaluate the Choroid**:
- The choroid is a layer of blood vessels located between the retina and the sclera.
- Its primary function is to supply nutrients to the retina.
- **Conclusion**: The choroid contains blood vessels and is not devoid of blood capillaries.

4. **Evaluate the Ciliary Muscles**:
- The ciliary muscles are responsible for changing the shape of the lens to focus on objects at various distances.
- These muscles also contain blood vessels.
- **Conclusion**: The ciliary muscles have blood vessels and are not devoid of blood capillaries.

5. **Evaluate the Lens**:
- The lens is a transparent structure that focuses light onto the retina.
- Importantly, the lens does not contain any blood vessels or capillaries.
- **Conclusion**: The lens is the ocular part that is totally devoid of blood capillaries.

6. **Final Answer**: Based on the evaluations, the correct answer is the **lens**.