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What does strabismus refer to?

  1. A condition causing blurred vision

  2. A misalignment of the eyes, commonly known as cross-eyed

  3. An abnormal dryness of the eyes

  4. A type of vision impairment

The correct answer is: A misalignment of the eyes, commonly known as cross-eyed

Strabismus specifically refers to a condition where the eyes are misaligned, resulting in them not properly coordinating with each other. This can manifest as one eye looking straight ahead while the other turns inward, outward, upward, or downward, which is often described as being "cross-eyed." The misalignment can affect binocular vision and depth perception, leading to challenges in focusing on objects. Understanding strabismus is crucial for those in optometric fields as it can impact both children's and adults' vision health and requires proper assessment and management. The other options describe unrelated vision or eye conditions, such as blurred vision, dryness of the eyes, or other types of vision impairment.