00000nz  a2200000n  4500
001  KSH2002041647
005  20021215214416
008  021215 n azknn|abn          |a a|a    | 
150  ▼a시굴절[視屈折]▲
550  ▼wg▼a굴절[屈折]▲
550  ▼a시각(눈)[視覺]▲