Course: Progressive Retinal Medullated Nerve Fiber Layer in a Young Boy
CME Credits: 1.00
Released: 2023-10-19
Although acquired and progressive nerve fiber myelination has been described previously, it is rare in the literature., A 24-month-old full-term boy with a history of high myopia was brought to the ophthalmology clinic. Cycloplegic spherical power was -10.00 diopters and -9.50 diopters in the right and left eye, respectively. Ophthalmoscopic examination showed widely distributed medullated nerve fibers in the posterior pole of the fundus (, A). Optical coherence tomography confirmed a thick retinal nerve fiber layer in the posterior pole of the fundus (, A, inset). The boy once underwent RetCam (Natus Medical) fundus examination at 6 months of age. At that time, there was only a small area of perioptic medullated nerve fibers (, B). The images at the 2 time points indicate progression of myelinated nerve fibers from age 6 months to 24 months. There was no history of surgery, congenital ocular or systemic abnormalities, and no family history of medullated nerve fibers in the eye.
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