Visual Characteristics of Poor Readers, Issue 656

analysis ascertain binocular binocular vision cent characteristic child chronological age Columbia University comparison condition Control Difference control groups correlation critical ratio D/S.D. diff discrimination distance dyslexia etiology evidence existing exophoria experimental and control EXPERIMENTAL CONTROL experimental group eye dominance eye-muscle eyedness findings fixations frequency G. L. Bond handedness heterophoria imbalance Inasmuch indicated Intelligence quotient intercorrelations investigation involved Keystone Keystone View Company lateral muscle-imbalance left eye look-and-say method matched measurements mixed dextral non-phonetic normal acuity normal vision number of errors ocular optometrists oral-phonetic perception tests phonetic method prism diopters Professional Optometrical Examinations Professor pupils taught reading ability Reading grade reading readiness refractive corrections reported right eye scores selected sensory significant difference slides Stanford-Binet test stereopsis Table teaching reading Telebinocular tests Test P1 Test P3 tests of reading tests of visual tetrad differences tion types of errors variation visual acuity visual defects visual factors visual perception