Prevalence of retinitis pigmentosa in Singapore: the Singapore Epidemiology of Eye Diseases Study.

Retinitis pigmentosa (RP) prevalence data in Asia were limited and mainly reported in previous studies of single ethnicity (Xu et al. 2006; Sen et al. 2008; Sharon & Banin 2015). The six eyes with early-stage RP had pigmentary changes at the mid-periphery region, modestly attenuated arterioles without bone-spicule deposits (Fig. The remaining six eyes with mid-stage RP had bone-spicule deposits at the mid-peripheral retina, involving at least two quadrants of retina (Fig. [Extracted from the article]