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Measurements of Lid Movements During Blinking: Video Measurement Technique
Journal of the Korean Ophthalmological Society ; : 445-452, 1998.
Article in Korean | WPRIM | ID: wpr-191331
ABSTRACT
Understanding the kinetics of normal blinking is helpful for assessing ptosis, third and seventh cranial nerve palsy. Many different techniques have been used to measure the kinetics of blinking. These techniques require expensive tools and specific clinical environment. And they are invasive and difficult to apply to children because of lack of cooporation. We videotaped the eyelid movements of normal subject using video camera which can be used in uncooperative children and is noninvasive manner. There was no significant difference in the mean velocity and the time of eye closure and opening according to the age and sex(p>0.05). But the greater the levator palpebra function, the faster the mean velocity of eye opening and the faster the mean velocity of eye closure, the lesser the D ratio. We took standard data of eyelid movement of normal subject. Therefore, we may expect the diagnostic value of eyelid movement measurement using video camera in eyelid movement disorders.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Paralysis / Blinking / Kinetics / Eyelids / Facial Nerve / Movement Disorders Limits: Child / Humans Language: Korean Journal: Journal of the Korean Ophthalmological Society Year: 1998 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Paralysis / Blinking / Kinetics / Eyelids / Facial Nerve / Movement Disorders Limits: Child / Humans Language: Korean Journal: Journal of the Korean Ophthalmological Society Year: 1998 Type: Article