89
RESULTS: Similar to previous findings of drug-induced vortex keratopathy, atovaquone vortex keratopathy is presumably caused by its lipophilic properties.
 adverse event: caused 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: caused 