Cataracts among Adults Aged 30 to 49 Years: A 10-Year Study from 1995 to 2004 in Korea.
10.3341/kjo.2013.27.5.345
- Author:
Hyun Kyung CHO
1
;
Kyung Sun NA
;
Eun Jung JUN
;
Sung Kun CHUNG
Author Information
1. Department of Ophthalmology and Visual Science, St. Mary's Hospital, The Catholic University of Korea, College of Medicine, Seoul, Korea. eyedoc@catholic.ac.kr
- Publication Type:Original Article
- Keywords:
Anterior polar opacity;
Epidemiology;
Korea;
Posterior subcapsular opacity
- MeSH:
Adult;
Age Distribution;
Age Factors;
Cataract/*epidemiology/pathology;
*Cataract Extraction;
Female;
*Forecasting;
Humans;
Incidence;
Lens Capsule, Crystalline/*pathology;
Male;
Middle Aged;
Republic of Korea/epidemiology;
Retrospective Studies
- From:Korean Journal of Ophthalmology
2013;27(5):345-350
- CountryRepublic of Korea
- Language:English
-
Abstract:
PURPOSE: To investigate the long-term characteristics of cataracts among adults aged 30 to 49 years in Korean over a span of 10 years. METHODS: Subjects between the ages of 30 to 49 years who underwent cataract surgery at St. Mary's Hospital from 1995 to 2004 (n = 976) were included. Patients with a history of ocular trauma, uveitis, other ocular or systemic diseases, and congenital cataracts were excluded. Additional information including type of lens opacity, urban/rural region, and pre- and postoperative visual acuities were analyzed. Lens opacity grading was conducted using Lens Opacity Classification System III. The Cochran-Armitage proportion trend test was used to analyze vision changes with the passage of time. RESULTS: Among the patients who had undergone cataract surgeries, 8.8% (976 / 11,111) met the inclusion criteria. The mean age was 41.7 +/- 5.45 years. Gender breakdown of the patient population included 79.0% male and 21.0% female. In terms of home environment, 60.9% were from an urban region and 39.1% from a rural region. Opacity type included anterior polar (AP), posterior subcapsular (PSC), AP and PSC, cortical, and nuclear in 35.7%, 35.1%, 7.0%, 6.0%, and 5.4% of patients, respectively. At a 2-month postoperative follow-up appointment, 92.7% of patients showed a best-corrected visual acuity of more than 20 / 40. CONCLUSIONS: Predominance of AP and PSC opacities as well as male patients was observed in this study population.
