39438
The drug was also observed to produce visual alteration and impairment , including blurred vision , strongly impaired color perception , and reduced visual acuity and dark vision , side effects thought to be caused by blockade of AMPA receptors in the retina .
 disease: visual alteration and impairment
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: visual alteration and impairment 
Answer:
 disease: visual alteration and impairment