Research recommendation(s) from an individual piece of guidance Guidance: Insertion of a subretinal prosthesis system for retinitis pigmentosa Date issued: 16 December 2015 Research recommendations coming out of this guidance NICE encourages further research on subretinal prosthesis system for retinitis pigmentosa. Outcomes should include the impact on quality of life and activities of day-to-day living, and durability of implants. NICE may update the guidance on publication of further evidence.