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PubMed · 4016405

Visual field defects.

D Kinshuck·J McGill
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Abstract

The detection and analysis of visual field defects allows the practitioner to examine some functions of the central nervous system at the bedside. Cerebrovascular accidents and temporal lobe tumours can be diagnosed easily, as can pituitary lesions.

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Brain DiseasesDominance, CerebralFixation, OcularHumansOptic Nerve DiseasesRetinal DiseasesScotomaVision TestsVisual AcuityVisual FieldsJournal Article

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D Kinshuck, J McGill. 1985. Visual field defects.. https://pubmed.ncbi.nlm.nih.gov/4016405/

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Development of object vision in infants with permanent cortical visual impairment.

We examined 30 infants in whom cortical visual impairment was diagnosed during their first year of life to ascertain prognostic factors for the development of object vision, defined as the ability to recognize faces or hand-held toys. All patients were followed up for a minimum of 12 months. The most common causes of cortical visual impairment in the 30 infants were hydrocephalus in nine infants (30.0%), birth asphyxia or neonatal hypoxia in eight infants (26.7%), intracranial hemorrhage with or without hydrocephalus in seven infants (23.3%), and meningitis in five infants (16.7%). Lack of development of object vision was associated only with hypoxia (P = .013). Findings on ophthalmic examination, an abnormality in the visual pathway on computed tomographic or magnetic resonance scan, and seizures, hydrocephalus, intracranial hemorrhage, meningitis, cerebral palsy, developmental delay, prematurity, microcephaly, and hearing deficit, did not appear to be risk factors for the lack of development of object vision.

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