Abstract
The ophthalmologic complications of optic nerve head drusen (ONHD) in adults have been documented, whereas data on the degree of visual morbidity from OHND in children are limited. The medical records of all patients diagnosed with ONHD at a single, tertiary care ophthalmology department from January 1, 2010, until July 1, 2018, were reviewed retrospectively. Patients were identified using ICD-9 and ICD-10 codes. Inclusion criteria were age ≤18 years of age and formal documentation of ONHD by ancillary testing. A total of 213 patients (386 eyes with ONHD) met inclusion criteria. Mean age at diagnosis was 10.13 ± 4.09 years, and mean follow-up was 2.76 ± 2.91 years. Formal visual fields were available for 208 eyes. Repeatable visual field defects were noted in 24 eyes (11.5%). The most common defect was a nasal step, which occurred in 11 eyes (45.8%). Fifteen eyes had visual field defects at presentation, and 9 eyes developed field loss within 1.39 ± 0.55 years of diagnosis. There was no correlation found between intraocular pressure and degree of visual field loss. Choroidal neovascular membranes were clinically apparent in 5 eyes and treatment was required in 3 eyes. Nonarteritic ischemic optic neuropathy developed in 2 eyes. Visual morbidity associated with ONHD in children is common and may develop in a short period of time after initial diagnosis. There was no correlation found with intraocular pressure.
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