The VitAbacus Page VitAbacus is perhaps the most useful feature to aid a person's control of nutrient intake when using a specific line of dietary supplements. Included within the folder is a functional Chinese Abacus to use as you wish. VitAbacus is designed to provide an estimate of daily intake of nutrients for those who take multiple products, and compare that with RDA tables of individual's gender and age group. These iriscopes consist of a video camera with close attachments connected directly into video display equipment or a computer. Quality has improved and these systems are now preferred alternatives to optical systems.
Digital systems offer many benefits over optical systems.
The optical systems that practitioners have been using in the past have been reliable, robust tools for the Iridologist but less sought after now. Practitioners are moving to more recent technology that provide benefits for both patient and practitioner. The patient has to remain frozen in position while the practitioner observes. The practitioner has equal discomfort in trying to make accurate observations in real time through binocular tubes. The other major disadvantage of optical systems is lack of patient interaction.