Ingram R M, Arnold P E, Dally S, Lucas J
Kettering District General Hospital, Northants.
Br J Ophthalmol. 1990 Mar;74(3):158-9. doi: 10.1136/bjo.74.3.158.
Children who were abnormally hypermetropic at the age of 6 months were randomly allocated treatment with spectacles or no treatment. The eventual incidence of squint was the same in both groups (approximately 24%). The last known visual acuity of the two groups was not significantly different either. Therefore there is no indication to screen infants with a view to preventing squint/amblyopia by optical correction of hypermetropia. If, however, the children allocated treatment are divided into two subgroups--those who wore glasses consistently and those who probably or certainly did not do so--the incidence of squint was the same, but the last known acuities of those who consistently wore glasses may be better than those who did not do so. This suggests that it may yet prove possible to prevent severe amblyopia.
6个月大时远视异常的儿童被随机分配接受眼镜治疗或不治疗。两组斜视的最终发生率相同(约24%)。两组的最后已知视力也无显著差异。因此,没有迹象表明对婴儿进行筛查以通过光学矫正远视来预防斜视/弱视。然而,如果将接受治疗的儿童分为两个亚组——那些持续戴眼镜的和那些可能或肯定没有戴眼镜的——斜视发生率相同,但持续戴眼镜者的最后已知视力可能优于未戴眼镜者。这表明预防严重弱视仍有可能。