The common diseases of eye which spread through contamination of hands are______.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for common eye diseases that can spread through contamination of hands. This means we need to identify diseases that can be transmitted from one person to another via direct contact, particularly through touching the eyes after touching contaminated surfaces or hands.

2. **Identifying Common Eye Diseases**: One of the most common eye diseases that fits this description is conjunctivitis. It is important to note that conjunctivitis is often referred to as "pink eye" due to the redness it causes in the eye.

3. **Defining Conjunctivitis**: Conjunctivitis is the inflammation of the conjunctiva, which is the outer membrane covering the eyeball and the inner eyelid. When this area gets inflamed, it can lead to redness, swelling, and discomfort.

4. **Understanding Transmission**: Conjunctivitis can be caused by infections (viral or bacterial) and can spread easily from one person to another. It can occur through direct contact with eye secretions from an infected person. This is why it is crucial to avoid sharing personal items like handkerchiefs.

5. **Conclusion**: Therefore, the common disease of the eye that spreads through contamination of hands is conjunctivitis.

**Final Answer**: The common diseases of the eye which spread through contamination of hands are conjunctivitis.

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