<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31328158</termId><termName>optical correction</termName><termType>PT</termType><termNote><![CDATA[ The small variation in the form of an architectural member in order to correct an apparent bulge or sag. ]]></termNote><termCreatedDate>2026-03-30 20:28:28</termCreatedDate><relation><relationType>UF</relationType><termId>31328159</termId><termName>correction, optical</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31328160</termId><termName>optical refinement</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31328161</termId><termName>refinement, optical</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31309380</termId><termName>form and composition concepts</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31362045</termId><termName>entasis</termName><termType>PT</termType></relation></term>  </Zthes>