Figure 1.

Age dependence of the average threshold for 10 visual function measures, in log units relative to the normal adult value. Glare recovery was the time required to read 0.2 log units above threshold on the SKILL card, following a 1-minute glare exposure; color vision was the Adams desaturated D-15 score. For details see the report of Haegerstrom-Portnoy et al.⁵ HCVA, high contrast VA; LCVA, low contrast VA (low contrast Bailey-Lovie chart); LCLLVA, low contrast/low luminance VA (SKILL card); LCGVA, low contrast VA under glare conditions; CS, Pelli-Robson contrast sensitivity; Stereo, stereo plates (4 levels); AVF, Smith Kettlewell attentional visual field ratio.