1. Part of the eye affected in cataract   Hint Hint       2. Viscous fluid filled in the space behind the lens:   First letter clue   3. Smallest bone in the human body.   Hint       4. Identify the structure 'A' in this diagram.   First letter clue   5. True or false: Lens has the property to change its curvature.   Hint       6. Identify iris in this diagram.   Hint       7. Identify the ear ossicle "A" in this diagram.   Hint