Table 2.

Distribution of retinal lesions among enrolled SS and S/β thalassemia patients

Variable	SS (n = 26)	S/β (n = 14)
Retinal lesions (n = 19)a	12	7
NPR (n = 11)b	7	4
Sunburst lesion (n = 2)	2	–
Retinal vascular tortuosity (n = 10)	6	4
PR (n = 13)	7	6

All values are expressed as absolute numbers

NPR nonproliferative retinopathy, PR peripheral retinopathy

^aFive of 19 patients showed signs of both NPR and PR

^bOne of 11 patients had both sunburst lesion and retinal vascular tortuosity