Montvilaitė, D. et al. 2016. Ophthalmological follow-up of prematurely born children in preschool age: prospective study of visual acuity, refractive errors and strabismus. Acta medica Lituanica. 22, 4 (Jan. 2016), 205–215. DOI:https://doi.org/10.6001/actamedica.v22i4.3239.