Anomalous myopias and the intermediate dark focus of accommodation

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Science  22 Aug 1975:
Vol. 189, Issue 4203, pp. 646-648
DOI: 10.1126/science.1162349


The dark focus of accommodation for an individual observer correlates highly with the magnitude of night, empty field, and instrument myopia. These anomalous myopias are interpreted as resulting from the passive return of accommodation to an individually determined intermediate dark focus when the stimulus for accommodation is degraded or absent, or when the need for accommodation is eliminated.