Many develop cataracts but are not as likely to have glaucoma or detached retinas. There is considerable research effort in this direction. Prism lenses may be useful. Higher levels of illumination may be helpful. Identification of the type of R.P. is essential in establishing prognosis.
Retinal specialists are usually better qualified to examine the widest area of the retina viewable.
Regular eye exams are desirable, to track the rate and degree of deterioration.