Abstract
This study aims to determine the incidence of angle recession and glaucoma after traumatic microhyphema. Records of all patients treated for traumatic hyphema or microhyphema admitted to a district hospital throughout a 10-year period were retrospectively reviewed. Patients with open-globe injury were excluded. The following clinical features were recorded during patients’ initial presentation and follow-up visits: Snellen visual acuity, examination with slit-lamp biomicroscopy, intraocular pressure (IOP), dilated fundoscopic examination, gonioscopic examination and treatment. For patients with IOP > 21 mmHg and requiring glaucoma medications, visual field tests were performed. A total of 97 patients met the study criteria, of which 62 had microhyphema and 35 had gross hyphema. Among the traumatic microhyphema patients, 47 (75.8 %) had angle recession and 4 (6.5 %) had glaucoma with mean follow-up of 49 months (range 6–98 months). A statistically significant association was found between angle recession greater than 180° and the occurrence of glaucoma (p < 0.01). No statistically significant differences were found between groups of patients with microhyphema or gross hyphema regarding the incidence of angle recession and glaucoma. The complications of angle recession and glaucoma in patients after traumatic microhyphema appear similar to those found in patients after gross hyphema.
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The study was approved by the Institutional Review Board of the Hospital Authority, Hong Kong East Cluster, in accordance with the standards of the Declaration of Helsinki.
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Ng, D.SC., Ching, R.HY. & Chan, C.WN. Angle-recession glaucoma: long-term clinical outcomes over a 10-year period in traumatic microhyphema. Int Ophthalmol 35, 107–113 (2015). https://doi.org/10.1007/s10792-014-0027-5
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DOI: https://doi.org/10.1007/s10792-014-0027-5