of the ability to achieve and maintain proper eye health. Lutein and zeaxanthin are two major carotenoids, found in the macula of the eye, that are being researched to identify their role in the pathogenesis of eye disorders such as age-related macular degeneration and cataracts. Images of human eye See also Eye colour Eye development Eye disease Eye strain Hyaloid canal Iris recognition Knobloch syndrome Lacrimal caruncle Rheum Spectral sensitivity References External links 3D Interactive Human Eye Eye – Hilzbook Retina – Hilzbook Interactive Tool to explore the Human Eye Facial features Sensory organs Ophthalmology Vision by taxon Visual system