{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T14:43:47Z","timestamp":1740149027103,"version":"3.37.3"},"reference-count":33,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,6,22]],"date-time":"2020-06-22T00:00:00Z","timestamp":1592784000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"The Japan National Society for the Prevention of Blindness, Tokyo"},{"DOI":"10.13039\/501100001700","name":"The Ministry of Education, Culture, Sports, Science and Technology, Japan","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100001700","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Grant-in-Aid for Scientific Research by the Ministry of Health, Labour and Welfare of Japan","award":["H18-Sensory-General-001"],"award-info":[{"award-number":["H18-Sensory-General-001"]}]},{"name":"Grant-in-Aid for Scientific Research","award":["17591845"],"award-info":[{"award-number":["17591845"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Ophthalmologica"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate association of the van Herick (VH) grades with the ultrasound biomicroscopic (UBM) parameters, appositional irido\u2010trabecular contact (A\u2010ITC) and plateau iris (PI) in a randomly sampled population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A 10% random sample of all residents aged 40 or older of the Kumejima study underwent UBM under dark and light conditions in the four quadrants of right eyes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 301 right eyes with eligible UBM images, 101 (33.6%) and 200 (66.4%) were classified as VH\u00a0\u2264\u00a02 and VH\u00a0\u2265\u00a03, respectively. The UBM parameters on angle width and ciliary body configuration were significantly different between VH\u00a0\u2264\u00a02 and VH\u00a0\u2265\u00a03 eyes (p\u00a0&lt;\u00a00.001). A\u2010ITC was found in at least one quadrant in 54.5% and 75.2% of VH\u00a0\u2264\u00a02 eyes under light and dark conditions, respectively; and 20.5% and 45.5% of VH\u00a0\u2265\u00a03 eyes. When \u2018VH\u00a0\u2264\u00a02\u2019 was used to screen eyes with A\u2010ITC in three or more quadrants, the sensitivity and specificity were 74.1% and 75.3%, respectively. A\u2010ITC was significantly associated with shallower anterior chamber (p\u00a0=\u00a00.018) and higher intraocular pressure (p\u00a0=\u00a00.044) in VH\u00a0\u2265\u00a03 eyes. Plateau iris (PI) was found in 15.8% and 6.0% of VH\u00a0\u2264\u00a02 and VH\u00a0\u2265\u00a03 eyes, respectively. Plateau iris (PI) was significantly associated with the UBM parameters on angle width and ciliary body configuration. When \u2018VH\u00a0\u2264\u00a02\u2019 was used to screen eyes with PI, the sensitivity and specificity were 57.1% and 68.9%, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The VH grade of \u22642 and \u22653 showed significant association with UBM angle width and ciliary body configuration parameters. The VH\u00a0\u2264\u00a02 criterion should be useful for screening of A\u2010ITC and PI.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aos.14502","type":"journal-article","created":{"date-parts":[[2020,6,22]],"date-time":"2020-06-22T07:06:32Z","timestamp":1592809592000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Evaluation of anterior chamber angle by van Herick grading and ultrasound biomicroscopy in light and dark conditions for finding appositional angle closure and plateau iris configuration"],"prefix":"10.1111","volume":"99","author":[{"given":"Chiharu","family":"Uejyo","sequence":"first","affiliation":[{"name":"Department of Ophthalmology Faculty of Medicine University of Ryukyu Naha Okinawa Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ichiko Medoruma","family":"Henzan","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Faculty of Medicine University of Ryukyu 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