In strabismus terminology, the prefix Eso- indicates inward deviation. Which option best completes this statement?

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In strabismus terms, prefixes describe the direction of the eye deviation. Eso- indicates turning inward toward the nose, so the appropriate completion is inward. Esotropia is the inward turning of an eye. The other directions map to other prefixes: outward to exotropia, upward to hypertropia, and downward to hypotropia.