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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Ophthalmology. 2008 May 16;115(9):1480–1488.e2. doi: 10.1016/j.ophtha.2008.03.009

Figure 3.

Figure 3

(online only supplement). Two-year visual acuity (VA) loss in logMAR (logarithm of the minimum angle of resolution) units, as a function of baseline low luminance deficit (LLD) for all 91 subjects. Two-year VA loss increases with worsening LLD (slope 0.42, p=0.0001), but this dependence levels off for very high LLD. A spline (bilinear) model, with a negative term for LLD above 0.7 (bilinear regression lines shown), provides a better fit to the data than does a single linear regression line. Table 3 (online only) provides further details.

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