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Follow - up changes showed marked visual loss , constricted visual fields , optic nerve pallor , vascular attenuation , and chorioretinal atrophy .
 Disease: visual loss; Disease: chorioretinal atrophy
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:
 Disease: visual loss; Disease: chorioretinal atrophy