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Base Rounding - specifies what to do when trying to put both lenses on the same base. This can be set to average the powers between the left and right eyes, and select the base that would be used for that power; or to round towards a specific base (for example, round towards a 6-base), or to round up or down to the higher or lower base that would be selected, between the two eyes. Note that, for digital designs that are set to use BRS requests from the LDS vendor, only options U and D are functional to try to put both lenses on the same base.
SRC Option - if left blank, when a lens with no treatment is entered, only uncoated blanks will be selected. If set to "3", then scratch coated lenses will be selected in addition to uncoated, when no coating is specified on the order.
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