The Tromso Eye Study: study design, methodology and results on visual acuity and refractive errors

Bertelsen G, Erke MG, von Hanno T, Mathiesen EB, Peto T, Sjølie AK, Njølstad I. The Tromso Eye Study: study design, methodology and results on visual acuity and refractive errors. Acta Ophthalmol. 2013; 91(3): 635-42.