| Phenotype details |
field constriction, night vision problems; loss of visual acuity (4 y); no nystagmus; best corrected visual acuity right, left eye: 20/100, 10/100, refractive error right, left eye: +0.5, +0.75, visual field right // left eye: concentric constriction to 20–30deg // 40deg (V/4e), electroretinogram: residual scotopic and Pho 30Hz flicker responses (reduced amp, increased IT), pathological OPs, mfERG: foveal response more affected than peripheral, (reduced amp, increased IT), anterior segment and fundus: slight subcapsular cataract (bilateral), partial optic nerve atrophy, vessel attenuation, increased macular retinal pigment epithelium granularity, peripheral retinal pigment epithelium atrophy, and mild hyperpigmentati |