선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- All participants provided written informed consent before the study began. All the procedures for recruiting, screening and inclusion of the subjects in this study are designed to provide participants with clear and accurate information so that they can understand the purpose of the project and the outcome of the agreement. The study was carried out from March to April in 2014 under the controlled environmental conditions The ambient temperature was maintained at 22 ±2 ℃ and the relative humidity was maintained in the range of 50 ± 5%.
- The evaluation of specific area wrinkles was difficult to represent the entire facial wrinkles, so the facial wrinkles were divided by site and numerically scored. Based on the numeric scores, the relevance with parameters of skin measurement was analyzed and the calculation equation was developed for the facial wrinkle age.
- In this study we evaluated the wrinkle index, which is the most important attribute amongst skin parameters, to evaluate external age. The wrinkles of the whole face were scored by divided area and analyzed correlation between chronological age and skin parameters.
- In this study, the wrinkle age calculation equation de veloped was applied to Korean and Mongolian women in order to evaluate its objectivity. When compared the calculated wrinkle age and the chronological age, there was no differential result in Korean women.
- Photography was taken by positioning the head of the subject, using stationary chin and forehead supports and maintaining consistent camera and lighting settings during the study. Images captured with the Janus (PSI, Korea) are saved directly to an electronic record in facial analyzing system software.
- Researchers classified the intensity of wrinkles in to 5 grades (1 = no wrinkle, 2 = slight wrinkles, 3= mild wrinkles, 4 = moderate wrinkles, 5 = severe wrinkles) at eight sites (forehead, glabella, nasal root, upper eyelid, lower eyelid, crow’s feet, nasolabial groove, perioral skin).
- The evaluation of specific area wrinkles was difficult to represent the entire facial wrinkles, so the facial wrinkles were divided by site and numerically scored. Based on the numeric scores, the relevance with parameters of skin measurement was analyzed and the calculation equation was developed for the facial wrinkle age.
- The study was carried out from March to April in 2014 under the controlled environmental conditions The ambient temperature was maintained at 22 ±2 ℃ and the relative humidity was maintained in the range of 50 ± 5%.
- In this study we evaluated the wrinkle index, which is the most important attribute amongst skin parameters, to evaluate external age. The wrinkles of the whole face were scored by divided area and analyzed correlation between chronological age and skin parameters. Also, we conducted skin characteristics of Koreans and Mongolians in the Northern Asia region.
- When investigating the parameters that best reflect the facial wrinkle age among the skin parameters, the correlation between the facial wrinkle age and the skin measurement results were analyzed to find that the parameter best reflecting the age were presented in the order of skin elasticity > skin pore > crow’s feet.
대상 데이터
- Eight sites (forehead, glabella, nasal root, upper eyelid, lower eyelid, crow’s feet, nasolabial groove and perioral skin) wrinkles were assessed by 4 well-trained researchers using facial photographs.
- For the study, 206 subjects (105 Korean women and 101 Mongolian women) were enrolled. Subjects were divided into four groups by ages: 20s, 30s, 40s, and 50s (Table 1).
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