RT Journal Article SR Electronic T1 Retinal Image in Axial and Refractive Ametropia JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 380 OP 381 DO 10.1136/bjo.39.6.380 VO 39 IS 6 A1 Joseph I. Pascal YR 1955 UL http://bjo.bmj.com/content/39/6/380.abstract AB