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Tests of basic visual function included high - and low - contrast visual acuity ( HCVA and LCVA ) , Pelli - Robson contrast threshold ( CT ) and Goldmann perimetry ( FIELDS ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
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