Illinois Vision Certification Practice Test

What are potential complications of a tropia?

1. Diplopia, secondary suppression and/or amblyopia

2. Complete blindness and cataracts

3. Only amblyopia

4. Insomnia and migraines

The correct answer is: Diplopia, secondary suppression and/or amblyopia

A tropia refers to a condition where there is a noticeable misalignment of the eyes, which can lead to various complications. The potential complications associated with a tropia include diplopia, which is the perception of two images when only one should be seen. This occurs because the brain receives inputs from both misaligned eyes, leading to confusion. Secondary suppression is another complication where the brain may suppress the visual input from one eye in order to avoid double vision, ultimately affecting depth perception and visual development. Amblyopia, or "lazy eye," can occur if the misalignment persists, leading the brain to favor one eye over the other, which can inhibit normal visual development and result in permanent vision loss in the suppressed eye if not treated effectively. The other choices presented do not accurately reflect the complications typically associated with a tropia. Complete blindness and cataracts are not direct consequences of a tropia, nor is insomnia and migraines, which are unrelated to the visual system's alignment issues. Only referring to amblyopia overlooks the broader spectrum of complications that can arise from ocular misalignment.