naked eye inspection

The naked eye examination method is one of the nystagmus examination methods. The subject is gazing at the five basic directions of the left, right, up, down, and front in the direction indicated by the examiner's finger to observe the eye movement. The examiner is standing in front of the subject or slightly on one side. The subject looks at the five basic directions of the left, right, up, down, and front in the direction indicated by the examiner's finger, and observes the eye movement. Basic Information Specialist Category: Ophthalmic Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Taboo eye drops. Normal value According to the difference of nystagmus intensity, it can be divided into 3 degrees I° nystagmus only appears when gazing to the fast phase side; II° has nystagmus to the fast phase side and forward front view; III° forward and backward There is nystagmus when watching in the fast and slow directions. Clinical significance Abnormal results often have autonomic symptoms such as dizziness, nausea and vomiting, and the severity is consistent with the intensity of nystagmus. Need to check the crowd dizzy. Precautions Forbidden before examination: Drop eye drops. Requirements for inspection: The subject cooperates with the inspector's instructions. Inspection process The examiner is standing in front of the subject or slightly on one side. The subject looks at the five basic directions of the left, right, up, down, and front in the direction indicated by the examiner's finger, and observes the eye movement. Not suitable for the crowd Inappropriate crowd: the vestibular function is intact.