Microscopic Characteristics of Lower Eyelid Retractors in Koreans
- Authors
- 조원경; 백지선; 한승호; 양석우
- Issue Date
- Oct-2011
- Publisher
- 대한안과학회
- Keywords
- Koreans; Lower eyelid retractors; Microscopic structure
- Citation
- Korean Journal of Ophthalmology, v.25, no.5, pp 344 - 348
- Pages
- 5
- Journal Title
- Korean Journal of Ophthalmology
- Volume
- 25
- Number
- 5
- Start Page
- 344
- End Page
- 348
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/27546
- ISSN
- 1011-8942
2092-9382
- Abstract
- Purpose: To identify the microscopic characteristics of lower eyelid retractors in Korean individuals and to elucidate age-related changes in lower eyelid retractors.
Methods: Eighteen Korean lower eyelids from formalin-fixed cadavers were stained with Masson’s trichrome.
Specimens were divided into two groups based on age at death (group A, ≤65 years; group B, >65 years), and the microscopic findings were analyzed and compared by light microscopy.
Results: The capsulopalpebral fascia (CPF) had distinct junctions and no fusion with orbital septum in 14 eyelids (77.8%). The CPF was fused with the orbital septum in only two eyelids (11.1%). Although not significant, the inferior tarsal muscle was closer to the tarsus in group A (1.24 ± 0.71 mm) than group B (2.14 ± 1.18 mm, p = 0.07),and the tarsal height tended to be longer in group B (4.71 ± 0.55 mm) than group A (4.16 ± 1.01 mm, p = 0.20).
Tarsal fatty infiltration was more evident in group B.
Conclusions: The CPF was rarely fused with the orbital septum in our sample of Korean lower eyelids. Although we did not identify any remarkable age-related changes in lower eyelid structures, there was a tendency for the lower retractor to loosen from the tarsus and for increased fatty infiltration in the lower eyelids from elderly individuals.
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