Corneal refractive error and astigmatism in patients aged 6 to 18 years with a history of retinopathy of prematurity and birth weight of <1500 g.

Purpose: To investigate corneal refractive power (CR) and astigmatism (AS) in 6- to 18-year-old children with a history of retinopathy of prematurity (ROP) and birth weight of <1500 g who either did or did not undergo retinal photocoagulation (PC).

Study Design: Retrospective study.

Methods: We examined 143 eyes of 77 children in 2021.

Refractive state and visual acuity of children with extremely low birth weight at 3 years old in Japan.

Purpose: To investigate the refractive status and visual acuity of 3-year-old children with extremely low birth weight (ELBW).

Study Design: Retrospective cohort study.

Methods: We examined 161 children born between January 2009 and December 2014.