American Board of Ophthalmology (ABO) Practice Exam

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A right eye obviously turning to the right is an example of which condition?

  1. Esotropia

  2. Exotropia

  3. Hypertropia

  4. Hypotropia

The correct answer is: Exotropia

A right eye that is turning to the right is indicative of exotropia, which is characterized by an outward deviation of the eye. In this condition, one or both eyes deviate outward, away from the nose. It's commonly observed as a misalignment where the affected eye appears to turn or drift outward. This outward position is commonly noted when the patient is focused on an object straight ahead, leading to clear visual evidence of the deviation. In contrast, esotropia is when the eye turns inwards, towards the nose. Hypertropia involves one eye being higher than the other, indicating a vertical misalignment, while hypotropia refers to one eye being lower than the other. The distinct outward turning of the right eye confirms the presence of exotropia, making it the correct condition in this scenario.