Abstract | PURPOSE: This study was conducted to determine the usefulness of peripheral anterior chamber depth assessment in angle-closure glaucoma ( ACG) screening in Japanese subjects. SUBJECTS AND METHODS: The subjects were 14,779 adults 40 years old or older. Eyes having peripheral anterior chamber depth that is 1/4 the peripheral corneal thickness (van Herick's classification: grade 2) and less than 1/4 the peripheral corneal thickness (van Herick's classification: grade 1) were extracted as narrow angle eyes, and those eyes were further examined. RESULTS: Of 14,779 subjects, 923 eyes of 505 subjects were diagnosed as narrow angle eyes (3.4%). Narrow angle eyes were observed in 4.9% of female subjects and 1.9% of male subjects, indicating a significantly higher frequency in women. The percentage of narrow angle eyes increased with age. Among the narrow angle eyes, 61 eyes of 32 subjects were diagnosed with ACG suspect (6.5%). In contrast to the frequency of ACG suspect in eyes classified as grade 1, according to van Herick's classification, being 17.9%, that in eyes classified as grade 2 was significantly lower at 5.6%. CONCLUSION: Since the incidence of ACG suspect increases as the peripheral anterior chamber depth decreases, caution for the peripheral anterior chamber depth is required for the ACG screening.
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Authors | K Kashiwagi, T Tokunaga, A Iwase, T Yamamoto, S Tsukahara |
Journal | Eye (London, England)
(Eye (Lond))
Vol. 19
Issue 9
Pg. 990-4
(Sep 2005)
ISSN: 0950-222X [Print] England |
PMID | 15467702
(Publication Type: Journal Article, Multicenter Study)
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Topics |
- Adult
- Aged
- Aging
(pathology)
- Anterior Chamber
(pathology)
- Cornea
(pathology)
- Diagnostic Techniques, Ophthalmological
- Female
- Glaucoma, Angle-Closure
(diagnosis, epidemiology, pathology)
- Gonioscopy
- Humans
- Intraocular Pressure
- Japan
(epidemiology)
- Male
- Mass Screening
(methods)
- Middle Aged
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