1. Measurement of the axial length of the eye by the application of ultrasonic waves;Kanki;Acta Soc Ophthalmol Japan,1961
2. Determination of the velocity of ultrasound in the human lens and vitreous;Jansson;Acta Ophthalmol,1962
3. The accuracy of ultrasonic measurement of the axial length of the eye;Binkhorst;Ophthalmic Surg,1981
4. Sources of error in the calculation of intraocular lens power;Hillman,1981
5. Intraocular lens calculation: the problem of the short eye;Hoffer;Ophthalmic Surg,1981