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Seo and Ahn: Morphological Changes of the Eyelid According to Age
Original Article

J Korean Ophthalmol Soc 2009;50(10):1461-1467.

Published online: 3 August 2009

DOI: https://doi.org/10.3341/jkos.2009.50.10.1461

Morphological Changes of the Eyelid According to Age

Hong Ryung Seo, MD, Hee Bae Ahn, MD

Department of Ophthalmology, Dong-A University, College of Medicine, Busan, Korea

Address reprint requests to Hee Bae Ahn, MD Department of Ophthalmology, Dong-A University, College of Medicine #3-1 Dongdaesin-dong, Seo-gu, Busan 602-715, Korea Tel: 82-51-240-5227, Fax: 82-51-240-5227, E-mail: hbahn@dau.ac.kr

Received 11 December 2008       Accepted 30 June 2009

Copyright © 2009 Korean Ophthalmological Society

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

The morphological changes of the eyelids according to gender among different age groups in Korea were analyzed.

Methods

Six-hundred adults without any ocular disease were selected, and sorted by age (ranging from 20 to 79 years), and gender. Each group consisted of 50 adults. Interpalpebral fissure (IPF), marginal reflex distance 1 (MRD1), amount of the upper lid, degree of browptosis, lateral hood width of the eyelid, and protrusion of the eyelid fat were measured. The measured values were analyzed to determine changes related to the aging process. Other age groups were analyzed and compared with the subjects between 20 and 30 years old, using the Student’s t-test with SPSS.

Results

MRD 1 and IPF slightly decreased with age, but there was no statistical significance. The upper lid amount showed a statistically significant increase at the 7th and 8th decade. The degree of browptosis showed a statistically significant increase from the 7th decade of age in men, and from the 6th decade in women. In particular, the lateral browptosis was more drooped than the center browptosis. The lateral hood width of the eyelid showed a statistically significant increase from the 7th decade of age in men, and from the 6th decade in women. Eyelid fat was most protruded at the central lower part, but there was no statistical significance.

Conclusions

It is important to understand the change related to aging in the study of eyelid morphology and eyelid operation. The results from present study may be used to determine standard for the safe amount of skin resection in Korean eyelid operations.

Keywords: Age, Eyelid, Korean, Morphological change, Upper lid amount

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Figure 1.
Amount of upper lid (a) and width of lateral hood (b).
jkos-50-1461f1.tif
Table 1.
The mean of MRD1 (mm)
Age Male Female
20∼29 3.04±0.70 3.14±0.73
30∼39 3.02±0.60 3.12±0.48
40∼49 2.84±0.87 3.00±0.88
50∼59 2.54±0.76 2.72±0.45
60∼69 2.20±0.70 2.44±0.76
70∼79 1.98±0.80 2.08±0.63

Each group consisted of 50 adults.

Table 2.
The mean of interpalpebral fissure height (mm)
Age Male Female
20∼29 8.10±0.86 8.18±0.80
30∼39 8.08±0.88 8.12±0.85
40∼49 7.84±0.87 7.96±0.88
50∼59 7.58±0.95 7.70±0.86
60∼69 7.20±0.97 7.36±0.92
70∼79 6.96±0.81 7.17±0.78

Each group consisted of 50 adults.

Table 3.
The mean of upper lid amount (mm)
Age Male Female
20∼29 20.20±1.26 20.40±1.26
30∼39 20.70±1.37 21.08±1.56
40∼49 21.80±1.44 22.10±1.34
50∼59 22.66±1.15 22.80±1.14
60∼69 24.72±1.25* 25.12±1.38*
70∼79 25.24±1.39* 25.56±1.30*

Each group consisted of 50 adults.

* showed statistically significant difference (p<0.05).

Table 4.
The mean of browptosis (mm)
Age Male
 Female
Medial Center Lateral Medial Center Lateral
20∼29 0.10±0.42 0.10±0.42 0.16±0.51 0.02±0.32 0.02±0.32 0.08±0.40
30∼39 0.16±0.37 0.16±0.37 0.20±0.40 0.10±0.42 0.10±0.42 0.14±0.45
40∼49 2.50±1.40 2.72±1.40 2.96±1.34 3.10±1.18 3.20±1.23 3.36±1.21
50∼59 3.12±1.21 3.36±1.10 3.58±1.13 4.02±1.08* 4.20±0.97* 4.46±1.03*
60∼69 4.26±0.90* 4.48±0.84* 4.74±0.75* 4.50±0.84* 4.80±1.05* 5.14±1.16*
70∼79 5.06±0.87* 5.48±0.97* 5.76±1.08* 5.38±1.18* 5.64±1.05* 5.92±1.10*

Each group consisted of 50 adults.

* showed statistically significant difference (p<0.05).

Table 5.
The mean of lateral hood width (mm)
Age Male Female
20∼29 0.30±0.76 0.40±0.88
30∼39 0.52±1.11 0.88±1.55
40∼49 3.44±1.13 3.86±1.31
50∼59 8.00±1.51 11.62±2.31*
60∼69 14.00±1.80* 14.08±2.08*
70∼79 16.26±1.19* 16.32±1.47*

Each group consisted of 50 adults.

* showed statistically significant difference (p<0.05).

Table 6.
The number over moderate degree of fat protrusion at upper lid
Age Male
 Female
Medial Center Medial Center
40∼49 2 4 4 6
50∼59 0 5 2 5
60∼69 5 8 5 8
70∼79 12 17 14 16

Each group consisted of 50 adults, moderate degree of fat protrusion: +2, +3

Table 7.
The number over moderate degree of fat protrusion at lower lid
Age Male
 Female
Medial Center Lateral Medial Center Lateral
40∼49 6 7 6 6 11 6
50∼59 6 12 10 6 12 10
60∼69 19 28 24 21 30 25
70∼79 30 38 30 28 42 32

Each group consisted of 50 adults, moderate degree of fat protrusion: +2, +3

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