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| Blindness | 1 |
| Communicable Diseases | 1 |
| Congenital Impairments | 1 |
| Diseases | 1 |
| Etiology | 1 |
| Exceptional Child Research | 1 |
| Genetics | 1 |
| Heredity | 1 |
| Incidence | 1 |
| Partial Vision | 1 |
| Premature Infants | 1 |
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| Fraser, G.R. | 1 |
| Friedman, A.I. | 1 |
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Fraser, G.R.; Friedman, A.I. – 1968
To investigate causes of blindness in childhood, 776 children (infancy to 20 years old) in special schools were seen in 1963. Examinations, parent questionnaires, and correspondence with health personnel were used to obtain etiological data. Causes of blindness mainly of genetic determination described are choroido-retinal degenerations,…
Descriptors: Blindness, Communicable Diseases, Congenital Impairments, Diseases
