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June 1984

Covariates of the Long-term Fluctuation of the Differential Light Threshold

Author Affiliations

From the Departments of Ophthalmology (Drs Flammer and Drance) and Medicine (Dr Schulzer), the University of British Columbia, Vancouver General Hospital, and The Health Sciences Centre Hospital, Vancouver.

Arch Ophthalmol. 1984;102(6):880-882. doi:10.1001/archopht.1984.01040030700022

• The scatter of the differential light threshold has a short-term and a long-term component. Although these components are significantly positively correlated, the relationship is not strong enough to accurately predict in an individual patient the long-term fluctuation from the short-term fluctuation. The reversible variation of the retinal sensitivity with time is statistically related to the temporal variation of the short-term scatter, to the variation in reaction time, and probably to the variation in the intraocular pressure.

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