Compound Danshen Dripping Pill for Treating Early Diabetic Retinopathy: A Randomized, Double-Dummy, Double-Blind Study

Table 2

BCVA () comparison of the two groups before and after treatment.

Group	n (eye)	Before treatment	After treatment	BCVA evaluation after treatment
				Improvement ≥ 4 lines	2 to 3 lines	1 line or no changes	Decline ≥ 2 lines
Treated group	56	0.25 ± 0.19	0.14 ± 0.17	8 (14.29%)	32 (57.14%)	14 (25.00%)	2 (3.57%)
Control group	58	0.32 ± 0.21	0.17 ± 0.18	6 (10.34%)	30 (51.72%)	20 (34.48%)	2 (3.45%)