Phenotype details |
cone-rod dystrophy (HP:0000510); Initial complaints of blurred central vision without a history of night blindness, poor visual acuity (typically 20/100 or worse, with progressive decline from an early age), impairment of color vision, funduscopic evidence of trophic macular degeneration, peripheral disturbances including pigment clumping and/or pigment epithelial thinning, and greater or earlier loss of cone than rod ERG amplitude. |