Colloidal solution commonly used in treatment of eye disease is :

Options

A. Colloidal sulphur
B. Colloidal silver
C. Colloidal gold
D. Colloidal antimony

Answer

To solve the question regarding the colloidal solution commonly used in the treatment of eye diseases, we will analyze the options provided and identify the correct one based on their properties and uses.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- Colloidal sulfur
- Colloidal silver
- Colloidal gold
- Colloidal antimony

2. **Analyze Colloidal Sulfur**:
- Colloidal sulfur is hydrophilic and is known for its ability to absorb water.
- It is primarily used in the treatment of skin diseases due to its larger surface area.
- **Conclusion**: Not used for eye diseases.

3. **Analyze Colloidal Silver**:
- Colloidal silver (Ag) is well-known for its antibacterial properties.
- It is commonly used in medical applications, including as a disinfectant and in bandages.
- Specifically, it is used in the treatment of eye diseases due to its effectiveness against bacterial infections.
- **Conclusion**: This is a strong candidate for treating eye diseases.

4. **Analyze Colloidal Gold**:
- Colloidal gold is primarily used as a supplement and has been shown to be effective in reducing pain and swelling in arthritis patients.
- **Conclusion**: Not used for eye diseases.

5. **Analyze Colloidal Antimony**:
- Colloidal antimony is used to treat a disease known as Kala-azar.
- **Conclusion**: Not used for eye diseases.

6. **Final Conclusion**:
- Based on the analysis, the colloidal solution commonly used in the treatment of eye diseases is **colloidal silver**.

### Answer:
The colloidal solution commonly used in the treatment of eye disease is **colloidal silver**.