Nonclassic retinitis pigmentosa: A challenging clinical diagnosis solved by pedigree analysis and electrodiagnostic testing.

Purpose: The aim of this study was to describe a case of nonclassic retinitis pigmentosa, to highlight ancillary testing tools for proper diagnosis, and to differentiate between common hereditary fundus dystrophies.

Methods: Methods used in this study included complete ophthalmologic evaluation, optical coherence tomography, visual field testing, pedigree analysis, and electrodiagnostic testing.

Results: Reduced vision and photopsia were the initial complaints of a patient who had an overall normal ocular appearance.