eye movement

• 眼球的自愿或非自愿运动，包括扫视、平滑追踪和辐辏，是视觉所必需的过程，常在心理学、神经学和眼科学中研究。

The voluntary or involuntary movement of the eyes, including saccades, smooth pursuit, and vergence, which is essential for vision and often studied in psychology, neurology, and ophthalmology.

1. Voluntary eye movementB2formal

   The deliberate and controlled movement of the eyes to shift focus or track objects.

   眼球运动

   • The doctor asked the patient to perform voluntary eye movements to test muscle function.
   • Reading requires rapid voluntary eye movements across the page.
   • Voluntary eye movements are controlled by the oculomotor system.

2. Involuntary eye movementB2formal

   Reflexive or unconscious movements of the eyes, such as nystagmus or saccades.

   眼球运动

   • Involuntary eye movements can be a sign of neurological disorders.
   • Nystagmus is a condition characterized by rapid involuntary eye movements.
   • During sleep, rapid eye movements (REM) are associated with dreaming.

3. Non-verbal communicationB1informal

   The use of eye movements to convey emotions, intentions, or reactions without words.

   非言语交流

   • His eye movement towards the door suggested he wanted to leave.
   • She used subtle eye movements to signal agreement during the meeting.
   • Eye movement can reveal a person's interest or discomfort in a conversation.