Rare case of unilateral optic nerve aplasia.

To cite: Mannan R, Chandra P. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2015213510 DESCRIPTION A 2-year-old boy presented with left divergent squint, microphthalmos and microcornea (figure 1). He was born preterm at 32 weeks with birth weight of 1750 g. There was a few days’ history of neonatal intensive care unit stay after birth, with no notable systemic complications. Fundus examination using a RetCam revealed an aplastic disc with absence of retina and retinal vasculature, and prominence of choroidal vasculature (figure 2). The right eye was normal. A paediatric work up revealed no other systemic abnormality. A complete immunoassay by TORCH test revealed raised titres of cytomegalovirus (CMV) IgG at 145.10 IU/mL (positive >30 IU/mL), though