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The condition characterized by uneven tracking of the eyes is strabismus. Strabismus occurs when the eyes are not properly aligned with each other and thus do not point in the same direction when focusing on a target. This misalignment can result in one eye looking straight ahead while the other turns inward, outward, upward, or downward. It can lead to complications such as impaired depth perception and amblyopia if not treated.

In contrast, monocular vision refers to the condition of using only one eye, which is not inherently related to eye alignment or tracking. Diplopia, or double vision, can occur as a result of strabismus but does not itself describe the tracking issues. Hyperopia, or farsightedness, pertains to refractive error and does not involve the coordination of eye movements. Strabismus is the primary condition linking uneven eye tracking, highlighting its importance in understanding ocular coordination.