Subtle Combined Hamartoma of the Retina and Retinal Pigment Epithelium Causing Recurrent Exodeviation.

A 3-year-old girl presented with recurrent exotropia following primary strabismus surgery. Careful fundus examination of the left eye revealed loss of the foveal reflex and presence of a subtle grayish mass with overlying white fluff. Optical coherence tomography through the lesion revealed disorganization of inner and outer retinal layers with accompanying epiretinal gliosis.

[Diagnosis of a sudden loss of vision (without redness nor eye pain)].

Sudden loss of vision without redness nor eye pain may come from numerous causes of varying severity. It presents a major source of anxiety for the patient who will seek for urgent consultation. The diagnostic approach is based on history and eye examination, eventually completed by a neurological examination.