Screening for retinopathy of prematurity.

The CRYO-ROP study confirmed the success of treatment for ROP and made screening mandatory. National based screening has been influenced by the varied incidence of disease in developed and developing countries. Most ophthalmologists in developed countries screen infants born between 1000 and 1500 g and between 28 and 31 weeks gestation post menstrual age.

Ischaemic stroke in children secondary to post varicella angiopathy.

Varicella in childhood is a self-limiting disease, which usually follows a benign course. However, complications, although rare, may have serious consequences. Ischaemic stroke secondary to post varicella angiopathy is a well-described complication and is estimated to account for up to a third of all strokes in infants.

Higher-order aberrations in children.

Purpose: To quantify and characterize higher order aberrations in children and to investigate the influence of refractive error and cycloplegia.

Design: Observational cross-sectional study.

Methods: setting: Clinical practice.