Which anomalous correspondence type is associated with the highest tendency to diplopia when angle is equal: PAC 2?

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Multiple Choice

Which anomalous correspondence type is associated with the highest tendency to diplopia when angle is equal: PAC 2?

Explanation:
Anomalous retinal correspondence (ARC) changes how the brain maps images from the two eyes, altering which retinal points are treated as corresponding. The more extreme the ARC, the less reliable the brain’s fusion becomes when the eyes are aligned, so diplopia is more likely even at an equal angle. PAC 2 represents the strongest or most disruptive form of anomalous correspondence among the options, so it carries the highest tendency to diplopia when the angle is equal. PAC 1 would have a milder mismatch and thus less diplopia, while HAC and UHAC are other ARC variants, but their impact on diplopia at equal alignment is not as pronounced as PAC 2.

Anomalous retinal correspondence (ARC) changes how the brain maps images from the two eyes, altering which retinal points are treated as corresponding. The more extreme the ARC, the less reliable the brain’s fusion becomes when the eyes are aligned, so diplopia is more likely even at an equal angle. PAC 2 represents the strongest or most disruptive form of anomalous correspondence among the options, so it carries the highest tendency to diplopia when the angle is equal. PAC 1 would have a milder mismatch and thus less diplopia, while HAC and UHAC are other ARC variants, but their impact on diplopia at equal alignment is not as pronounced as PAC 2.

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