1. Review of ophthalmic factors in dyslexia
2. 2. I. M. Borish (1970 ) Clinical Re fraction , Professional Press. Chicago, pp. 1126 -1127 .
3. 3. L. S. Sasieni (1975 ) The Principle and Practice of Optical Dispensing and Fitting. Butterworths. London, pp. 402 -409 .
4. 4. C. W. Brooks, and I. M. Borish (1979 ) System for Ophthalmic Dispensing , Professional Press, Chicago, pp. 291 -311 .
5. 5. T. E. Fannin, and T. Grosvenor (1987 ) Clinical Optics. Butterworths, Boston, pp. 179 -232 .