Other cases of RP, where family history has been determined, fall into three main categories: autosomal recessive, autosomal dominant, and X-linked recessive. [genome.gov]

Reading impairment and difficulties in undertaking daily activities are typically seen when visual acuity falls below 0.5 (20/40). [institut-vision.org]

One of the major health concerns was having frequent accidents such as falls and bumping into things. 'The other fear is that I keep bashing into things and falling over things and hurting myself and getting bruises and scrapes and stuff like that.' [nature.com]

It is one of the conditions falling under the heading of Rod-Cone Dystrophy, genetic conditions in which the rod and cone cells in the eye deteriorate and die off. [lowvision.preventblindness.org]

The majority of RP cases, about 70% to 80%, fall into the nonsyndromic category. When RP occurs in conjunction with systemic disease, it is termed "syndromic" RP. [statpearls.com]

[…] loss can be saved if detection and treatment is begun early: Bassen-Kornzweig syndrome (abetalipoproteinemia), characterized by ataxia, peripheral neuropathy, and steatorrhea; Refsum disease (phytanic acid oxidase deficiency), characterized by ataxia, polyneuropathy [retinalphysician.com]

Quadriplegia, Retinitis Pigmentosa, and Mental Retardation Spondylometaphyseal Dysplasia with Cone-Rod Dystrophy Tapetoretinal Degeneration with Ataxia Usher syndrome X-linked cone-rod dystrophy 1 X-linked cone-rod dystrophy 2 X-linked cone-rod dystrophy [rgd.mcw.edu]

Retinitis Pigmentosa 79 Retinitis Pigmentosa 80 retinitis pigmentosa 81 Retinitis Pigmentosa 83 Retinitis Pigmentosa 84 Retinitis Pigmentosa 85 Retinitis Pigmentosa 86 Retinitis Pigmentosa 87 retinitis pigmentosa 9 RETINITIS PIGMENTOSA AND ERYTHROCYTIC MICROCYTOSIS [rgd.mcw.edu]