| Change on Vertical Height of Palpebral Fissure between Sitting and Lying Position. |
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Yongjig Lee, Daehwan Park |
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Department of Plastic and Reconstructive Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea. dhpark@cu.ac.kr |
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| Abstract |
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We tried to check the vertical palpebral height when the patient sit up as well as when one lie down respectively. Measurements of the vertical palpebral height and corneal diameter were taken in pictures of both eyes of 96 Koreans. They consisted of 59 males and 37 females of average age 25.3. The picture was taken in the position of primary eyeball, and the measured values were adjusted by the known photometrical average value of corneal diameter. During adjustment, the ruler tool in the software Adobe(R) Photoshop(R) was used. They were divided into 4 groups: females with same or larger(group 1, n=20) and with smaller(group 2, n=17) than 11.3mm, and males with same or larger (group 3, n=28) and with smaller(group 4, n=31) than 11.6mm during sitting position. There was no statistical difference in the rate of respective postural effect on vertical height according to sex and the covering amount of cornea. However, the changing amount was meaningful statistically(p=0.000) through two samples t-test. The average ratio of vertical palpebral height was 1:0.929(sitting:lying). We introduce the objective way to compare postural change of vertical dimension of palpebral fissure through the photometrical method. |
| Key Words:
Eyelids, Vertical dimension, tatistical data analysis |
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