Which term describes eye turning that is persistent under all viewing conditions?

Which term describes eye turning that is persistent under all viewing conditions?

• A. Trophic
• B. Phoric
• C. A, I, O
• D. Snellen eye chart

Answer: (A)

Persistent eye turning under all viewing conditions is tropia, a manifest misalignment that remains when both eyes are trying to fixate. This differs from phoria, which is a latent misalignment that only becomes evident when binocular fusion is disrupted. The Snellen eye chart tests visual acuity, not alignment, and the term trophic isn’t used to describe eye turning. So the constant deviation you’re asked about is tropia.

Persistent eye turning under all viewing conditions is tropia, a manifest misalignment that remains when both eyes are trying to fixate. This differs from phoria, which is a latent misalignment that only becomes evident when binocular fusion is disrupted. The Snellen eye chart tests visual acuity, not alignment, and the term trophic isn’t used to describe eye turning. So the constant deviation you’re asked about is tropia.