Visual outcomes following pediatric cataract surgery at Komfo Anokye Teaching Hospital in Ghana

Table 4 Classification of preoperative and postoperative visual acuity (best-corrected vision) according to WHO definition of visual impairment, n (%)

Visual impairment category	Visual acuity worse equal to than or better	Right eye, pre VA unaided	Post VA aided 1 year	P value	Left eye, pre VA unaided	Post VA aided 1 year	P value
No VI	6/12	0 (0.0)	25 (15.2)	0.00	0 (0.0)	19 (11.6)	0.00
Mild VI	6/12; 6/18	0 (0.0)	2 (1.2)	0.00	0 (0.0)	5 (3.0)	0.00
Moderate VI	6/18; 6/60	10 (6.1)	0 (0.0)	0.00	6 (3.7)	0 (0.0)	0.00
Severe VI	6/60; 3/60	0 (0.0)	0 (0.0)	0.00	0 (0.0)	0 (0.0)	0.00
Blindness (I)	3/60; 1/60	10 (6.1)	0 (0.0)	0.00	8 (4.9)	0 (0.0)	0.00
Blindness (I)	PL; CF
Blindness (II)	1/60; PL	26 (15.9)	0 (0.0)	0.00	26 (15.9)	0 (0.0)	0.00
Blindness (III)	NPL; NFO	89 (54.6)	0 (0.0)	0.00	82 (50.0)	0 (0.0)	0.00

VI: Visual Impairment; Pre-op VA: Preoperative visual acuity; Post-op VA: Postoperative visual acuity; CF: Counting fingers; PL: Perception of light; NPL: No perception of light; NFO: No following objects. P value of < 0.05 is considered significant.