Macular Structures, Optical Components, and Visual Acuity in Preschool Children after Intravitreal Bevacizumab or Laser Treatment

Purpose To investigate the macular structures, optical components, and visual acuity in preschool-aged children with a history of type I retinopathy of prematurity who underwent either intravitreal bevacizumab (IVB), laser, or a combination of treatments. Design Comparative interventional case series. Methods Setting : A referred medical center in Taiwan. Study Population : Eighty eyes from 42 patients (33 IVB-treated eyes from 17 children, 24 laser-treated eyes from 13 children, and 23 laser + IVB-treated eyes from 12 children). Observation Procedure : Spectral-domain optical coherence tomography. Main Outcome Measures : The retinal thickness in the foveal area and the associated morphologic changes in foveal depression. Results Compared with the laser-treated and laser + IVB-treated eyes, the IVB-treated eyes had less myopia and deeper anterior chamber depths but presented similar axial lengths and corneal curvatures ( P  = .001, P  = .002, P  = .95, and P  = .16, respectively). The IVB-treated eyes had significantly thinner foveal, parafoveal, and perifoveal retinal thicknesses ( P P  = .21 and P  = .63, respectively). Moreover, compared with the eyes treated with laser or laser + IVB, the IVB-treated eyes had better uncorrected visual acuity, although a significant difference was not observed in best-corrected visual acuity ( P  = .008 and P  = .29, respectively). Conclusions Compared with laser therapy, IVB-treated eyes were associated with deeper anterior chamber depths and thinner foveal, parafoveal, and perifoveal thicknesses. Moreover, these IVB-treated eyes had fewer refractive errors and better uncorrected visual acuity.