date:Jun 09, 2012
pigment optical density as an indicator of improved vision has not been established.
In dismissingin vitroandex vivostudies, it said,lutein can act as a free radical scavengerin vitro.But that did not establish,these models could predict the occurrence of an effect of lutein on the protection of cells or molecules (e.g. DNA, proteins and lipids) in the human eye from oxidative damagein vivo.
The NDA therefore concluded that it had taken into account,one human intervention study in healthy subj