Q: When first learning about genetics, we’re taught that blue eyes are recessive and brown is dominant, but what about green eyes? Also, what are the squiggly lines in light-colored eyes? — Tim Patten ...

The colored part of the eye surrounding the pupil is called the iris. It automatically regulates the amount of light entering the eyes by regulating the size of the pupil. Light is the primary ...

The iris of the human eye can be affected by a number of medical conditions, and changes to its morphology provide an indication not just of disease in the local tissues but of broader systemic ...

The purpose of this study was to investigate the effect of cataract surgery and pupil dilation on iris pattern recognition for personal authentication. Prospective non-comparative cohort study. Images ...

Srinivasan et al 1 elegantly demonstrated the beneficial effects of the use of artificial iris rings in eyes with iris defect. It was interesting that Morcher type 50C was chosen in case 2, in which ...