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In a prospective study of 157 patients (median age 73 years) admitted to hospital within 72 hours of acute cerebral hemisphere stroke, there was clinical evidence of homonymous hemianopia (HH) as assessed by confrontation in 99 (63%). Patients were followed with serial neurological examinations for 28 days. Complete recovery of visual fields occurred in 14 (17%) of the 81 patients with a complete HH on admission and in 13 (72%) of the 18 patients with a partial HH on admission. Cumulative fatality at 28 days was greater in patients with a complete HH (49%), compared with patients with a partial HH (11%). These two patterns of recovery and outcome probably reflect the differing extent of cerebral damage in the two groups.
Gray et al. (Sun,) studied this question.