Confirmatory investigation in retinitis pigmentosa is: (A) Optical coherence tomography, (B) Pachymetry, (C) Visual Acuity testing, (D) Electroretinogram
Answer is D. Answer- D. ElectroretinogramAn accurate diagnosis of retinitis pigmentosa relies on the documentation of the progressive loss photoreceptor cell function, confirmed by a combination of visual field and visual acuity tests, fundus and optical coherence imagery, and electroretinography.