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Measurement of the Area of Corneal Exposure Using Digital Image and Its Application During Assessment for Blepharoplasty

To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1007/s00266-017-0980-2 Byline: Kisoo Park (1), Ziyi Guo (2), Dae Hwan Park (1) Keywords: Anthropometry; Palpebral conjunctival; Koreans Abstract: Background The normal morph... Full description

Journal Title: Aesthetic Plastic Surgery 2018, Vol.42(1), pp.208-214
Main Author: Park, Kisoo
Other Authors: Guo, Ziyi , Park, Dae
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0364-216X ; E-ISSN: 1432-5241 ; DOI: 10.1007/s00266-017-0980-2
Link: http://dx.doi.org/10.1007/s00266-017-0980-2
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recordid: springer_jour10.1007/s00266-017-0980-2
title: Measurement of the Area of Corneal Exposure Using Digital Image and Its Application During Assessment for Blepharoplasty
format: Article
creator:
  • Park, Kisoo
  • Guo, Ziyi
  • Park, Dae
subjects:
  • Anthropometry
  • Palpebral conjunctival
  • Koreans
ispartof: Aesthetic Plastic Surgery, 2018, Vol.42(1), pp.208-214
description: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1007/s00266-017-0980-2 Byline: Kisoo Park (1), Ziyi Guo (2), Dae Hwan Park (1) Keywords: Anthropometry; Palpebral conjunctival; Koreans Abstract: Background The normal morphological and functional values of orbits vary according to race, sex, and age. We measured the palpebral fissure using the marginal reflex distance (MRD.sub.1), marginal limbal distance (MLD), and vertical height of the palpebral fissure (VHPF). Unfortunately, these measurements are all one-dimensional figures that measure the distance between two points they have limitations when it comes to measuring the three-dimensional ocular surface. Therefore, this study used the area of corneal exposure (ACE), which shows a two-dimensional area, to measure changes between the sizes of eyes according to age. Materials and Methods This study was conducted using preoperative photographs of Koreans in Daegu city, Korea, who underwent plastic surgery in our department except for eyelid surgery. We divided the subjects into eight groups, including ten males and ten females in each decade of age, from age 10 to over 80 years. A total of 160 people were recruited who were followed up for photograph analysis using Adobe Photoshop 7.0 software. Results In terms of the mean value, the ACEs were 73.3 [+ or -] 2% in male subjects and 77.1 [+ or -] 2% in female subjects, and values for female subjects were greater than those for male subjects (p < 0.05). Significant differences in ACEs were observed according to age. The peak level of growth in the ACE was reached between 20 and 29 years of age. After the 20 s, a gradual decrease was observed (p < 0.05). Conclusion The peak level of growth in the ACE was reached between 20 and 29 years of age. The growth pattern can be classified as continuously decreasing after reaching the peak level. The data from this study are significant in that they can be used as comprehensive data for normal eyelid values according to age. Level of Evidence IV This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to Table of Contents or the online Instructions to Authors www.springer.com/00266. Author Affiliation: (1) 0000 0000 9370 7312, grid.253755.3, Department of Plastic and Reconstructive Surgery, College of Medicine, Catholic University of Daegu, 3056-
language: eng
source:
identifier: ISSN: 0364-216X ; E-ISSN: 1432-5241 ; DOI: 10.1007/s00266-017-0980-2
fulltext: fulltext
issn:
  • 1432-5241
  • 14325241
  • 0364-216X
  • 0364216X
url: Link


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descriptionTo access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1007/s00266-017-0980-2 Byline: Kisoo Park (1), Ziyi Guo (2), Dae Hwan Park (1) Keywords: Anthropometry; Palpebral conjunctival; Koreans Abstract: Background The normal morphological and functional values of orbits vary according to race, sex, and age. We measured the palpebral fissure using the marginal reflex distance (MRD.sub.1), marginal limbal distance (MLD), and vertical height of the palpebral fissure (VHPF). Unfortunately, these measurements are all one-dimensional figures that measure the distance between two points they have limitations when it comes to measuring the three-dimensional ocular surface. Therefore, this study used the area of corneal exposure (ACE), which shows a two-dimensional area, to measure changes between the sizes of eyes according to age. Materials and Methods This study was conducted using preoperative photographs of Koreans in Daegu city, Korea, who underwent plastic surgery in our department except for eyelid surgery. We divided the subjects into eight groups, including ten males and ten females in each decade of age, from age 10 to over 80 years. A total of 160 people were recruited who were followed up for photograph analysis using Adobe Photoshop 7.0 software. Results In terms of the mean value, the ACEs were 73.3 [+ or -] 2% in male subjects and 77.1 [+ or -] 2% in female subjects, and values for female subjects were greater than those for male subjects (p < 0.05). Significant differences in ACEs were observed according to age. The peak level of growth in the ACE was reached between 20 and 29 years of age. After the 20 s, a gradual decrease was observed (p < 0.05). Conclusion The peak level of growth in the ACE was reached between 20 and 29 years of age. The growth pattern can be classified as continuously decreasing after reaching the peak level. The data from this study are significant in that they can be used as comprehensive data for normal eyelid values according to age. Level of Evidence IV This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to Table of Contents or the online Instructions to Authors www.springer.com/00266. Author Affiliation: (1) 0000 0000 9370 7312, grid.253755.3, Department of Plastic and Reconstructive Surgery, College of Medicine, Catholic University of Daegu, 3056-6 Daemyung 4 Dong, Nam Gu, Daegu, 42732, Republic of Korea (2) 0000 0001 2264 7233, grid.12955.3a, Department of Plastic and Reconstructive Surgery, College of Medicine, Xiamen University, Gucheng Road 6, Xiamen, 361000, Fujian, People's Republic of China Article History: Registration Date: 19/09/2017 Received Date: 22/06/2017 Accepted Date: 04/09/2017 Online Date: 03/11/2017
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