Table 2.

Comparison of visual acuity at baseline, 24 hours after delivery and at postnatal clinic appointment between cases and controls

Visual acuity (logMAR)	Cases (%) (n=71)	Controls (%) (n=72)	P value (Fisher’s exact test)
Right eye at baseline			0.366
<0.50	68 (95.8)	71 (98.6)
≥0.50	3 (4.2)	1 (1.4)
Left eye at baseline			0.245
<0.50	69 (97.2)	72(100)
≥0.50	2 (2.8)	0 (0)
Right eye 24 hours after delivery			*
<0.50	71(100)	72(100)
≥0.50	0 (0)	0 (0)
Left eye 24 hours after delivery			0.497
<0.50	70 (98.6)	72(100)
≥0.50	1 (1.4)	0
Right eye at postnatal clinic			*
<0.50	71(100)	72(100)
≥0.50	0 (0)	0 (0)
Left eye at postnatal clinic			*
<0.50	71(100)	72(100)
≥0.50	0 (0)	0 (0)

*p values could not be calculated.