In this book the author proves that all errors of refraction (nearsight, farsight, astigmatism) are functional and curable. He provides methods of treatment whereby such cures have been effected in thousands of cases.
In this book the author proves that all errors of refraction (nearsight, farsight, astigmatism) are functional and curable. He provides methods of treatment whereby such cures have been effected in thousands of cases.