. Author manuscript; available in PMC: 2017 Dec 27.

Published in final edited form as: Nat Rev Dis Primers. 2015 Aug 27;1:15021. doi: 10.1038/nrdp.2015.21

Table 2.

Availability of treatment and imaging at retinoblastoma centres worldwide.

Countries	Total number of centres	Enucleation (%)	Laser therapy (%)	Cryotherapy (%)	IVC (%)	Retinal imaging (%)
High income	47	100%	91%	89%	85%	89%
Middle income	75	100%	91%	91%	69%	63%
Low income	10	100%	50%	20%	5 (50%)	30%
Total	132	100%	88%	85%	97 (73%)	70%

Retinoblastoma centres worldwide were surveyed and featured on the One Retinoblastoma World Map (1rbw.org, accessed on 25 March 2015). Information is available for 54 countries (22 high-income countries, 28 middle-income countries and 4 low-income countries, following World Bank Classification). The percentages depict the percentage of centres offering the specific treatment or diagnostic tools. IVC, intravenous chemotherapy.