______ is the rotation of the two eyes in their sockets to focus on a single object.

• A. Proximity
• B. Overlap
• C. Accommodation
• D. Convergence

Answer: (D)

Verified step by step guidance

1. Identify the key term in the question, which is related to the movement or adjustment of the eyes.
2. Understand that the question is asking about a specific type of eye movement that allows both eyes to focus on a single object.
3. Recall that 'convergence' is the term used in psychology and vision science to describe the inward movement of both eyes toward each other to maintain single binocular vision when viewing an object.
4. Differentiate 'convergence' from other terms: 'proximity' refers to the closeness of objects, 'overlap' refers to objects covering each other, and 'accommodation' refers to the eye's lens changing shape to focus on objects at different distances.
5. Conclude that the correct term for the rotation of the two eyes in their sockets to focus on a single object is 'convergence'.