3 doctors weighed in:

Please help! what is the difference between tropia and phoria?

3 doctors weighed in
Dr. Tim Conrad
Ophthalmology
2 doctors agree

In brief: The difference

Is that a tropia is always present but a phoria is present some of the time.

In brief: The difference

Is that a tropia is always present but a phoria is present some of the time.
Dr. Tim Conrad
Dr. Tim Conrad
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