1. Augenarztliche Reihenuntersuchung von 1200 kindern im 2 Lebensjahr;Fabian, G.;Acta Ophthalmol (Kbh),1966
2. Astigmatism in. children. Changes in axis and amount from birth to 6 years;Gwiazda, J.; Scheiman, M.; Mohindra, I.; Held, R.;Invest Ophthalmol VisSci,1984
3. Changes in refraction between the ages of l and 31/2 years;Ingram, R.M.; Barr, A.;BrJ Ophthalmol,1979
4. Infant astigmatism: its disappearance with age;Atkinson, J.; Braddick, O.J.; French, J.;Vision Res,1980
5. Cycloplegic refraction in infants and young children;Fulton, A.B.; Dobson, V.; Salem, D.; Mar, C.; Petersen, R.A.; Hansen, R.M.;AmJ Ophthalmol,1980