1. Om myopiens progression;Blegvad;Ugeskr Laeger,1918
2. Is myopia getting more frequent? A cross-sectional study of 1416 Danes ages 16 years+;Fledelius;Acta Ophthalmol (Copenh),1983
3. Myopia and diabetes mellitus. With special reference to adult-onset myopia;Fledelius;Acta Ophthalmol (Copenh),1986
4. Refraction and eye size in the elderly, a review;Fledelius;Acta Ophthalmol (Copenh),1988