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nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 189 (xsd:integer)
nif:isString
  • The refractor used a moving mirror to measure refractive errors of both vertical and horizontal meridians out to an eccentricity of ±50° nasally and temporally as described previously [18].
rdf:type