Table 3.

 Five year incidence of improved visual acuity in the poorer seeing eye after new visual impairment in the better seeing eye in people with and without amblyopia

Effect on the poorer seeing eye	Visual impairment of the better seeing eye
	<6/12		Loss of >2 lines
	Normal (n = 264) (%)	Amblyopia (n = 9) (%)	Normal (n = 534) (%)	Amblyopia (n = 11) (%)
Worsen/no improvement	195 (73.9)	6 (66.7)	423 (79.2)	5 (45.5)
Improves 1–10 letters	59 (22.4)	2 (22.2)	92 (17.2)	5 (45.5)
Improves >10 letters	10 (3.8)	1 (11.1)	19 (3.6)	1 (9.1)