Table 2. Past studies for variability in optical density of macular pigment.
Authors | Year | Meas. Type | Method | Repetitions | Subjects | Age Range | SD [%] |
---|---|---|---|---|---|---|---|
Delori et al. [40] | 2001 | Physiological | AF | N/A | 159 | 15 - 80 | 33.3 |
Wüstemeyer et al. [41] | 2003 | Physiological | AF | N/A | 109 | 18 - 75 | 32.6 |
Liew etal. [20] | 2005 | Physiological | AF | N/A | 300 | 18 - 50 | 39.3 |
Trieschmann et al. [42] | 2006 | Physiological | AF | N/A | 120 | 20 - 86 | 38.0 |
Delori et al. [40] | 2001 | Physiological | FR | N/A | 159 | 15 - 80 | 30.4 |
Berendschot et al. [43] | 2002 | Physiological | FR | 1–2 | 289 | 63 - 73 | 45.5 |
Broekmans et al. [44] | 2002 | Physiological | FR | N/A | 376 | 18 - 75 | 45.5 |
Wüstemeyer et al. [41] | 2003 | Physiological | FR | N/A | 109 | 18 - 75 | 38.7 |
Berendschot, van Norren [45] | 2004 | Physiological | FR | N/A | 138 | 18 - 76 | 27.1 |