| http://www.w3.org/ns/prov#value | - A ???conductive bus??? operates to conduct data in the form of an electrical signal from one place to another place. ???Near distance refractive error??? can include presbyopia and any other refractive error needed to be corrected for one to see clearly at near distance. ???Intermediate distance refractive error??? can include the degree of presbyopia needed to be corrected an intermediate distanc
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