| Phenotype details |
night blindness: 2-3y, visual field constriction: 25y, decreased visual acuity: 40y; ophthalmic examination at age 40: visual acuity right, left eye: 8/105/10, biomicroscopy: normal, visual field: loss of upper visual field, fundus: pale disc, arteriolar constriction, bone spicule pigmentation, macula: normal, electroretinogram: extinguished |