Beyond the Definitions of the Phenotypic Complications of Sickle Cell Disease: An Update on Management

Table 2

Staging of proliferative sickle retinopathy.

	Clinical findings
Stage I	Peripheral arteriolar occlusions
Stage II	Vascular remodeling, formation of arteriovenous anastomoses
Stage III	Peripheral retinal neovascularization
Stage IV	Vitreous hemorrhage
Stage V	Retinal detachment