1. Infant astigmatism measured by photorefraction;Science,1978
2. Astigmatism in infants;Mohindra, I.; Held, R.; Gwiazda, J.; Brill, S.;Science,1978
3. Cycloplegic refractions in infants and young children;Fulton, A.B.; Dobson, V.; Salem, D.; Mar, C.; Petersen, R.A.; Hansen, R.M.;Am J Ophthalmol,1980
4. Photorefractive measurements of astigmatism in infants and young children;Howland, H.C.; Sayles, N.;Invest Ophthalmol Vis Sci,1984
5. Photokeratometric and photorefractive measurements of astigmatism in infants and young children;Howland, H.C.; Sayles, N.;Vision Res,1985