Moscow ( CNN ) -- Bolshoi Ballet star soloist Pavel Dmitrichenko pleaded not guilty Tuesday to masterminding an acid attack on the theater 's artistic director , Sergei Filin , a court spokesman told CNN . Alleged accomplice Yuri Zarutsky pleaded guilty to carrying out the attack , but he said he had acted alone . A third defendant in the case , Andrei Lipatov , denied the charges . He 's accused of aiding Zarutsky by acting as his driver . Filin was walking up to his Moscow apartment in January when a masked assailant tossed sulfuric acid onto his face , leaving him severely burned and nearly blinded . Proceedings were adjourned to Thursday after the three men heard and responded to the charges . A fight at the ballet : The power struggle tearing apart the Bolshoi . Filin has spent much of the past year in Germany , where doctors have been working to save his sight . He has undergone multiple surgeries and has regained 80 % of his vision in one eye , the state-run RIA Novosti news agency said . His other eye , in which he was completely blind after the attack , has not recovered to the same extent , but he can now pick out large objects , it said . Filin recently returned to Moscow , but he still needs further treatment . There 's still a question mark over whether he will be able to return to his role at the Bolshoi Ballet , one of Russia 's iconic cultural institutions . The case has sparked great public interest in Russia , where tales of intrigue and bitter rivalries have swirled around the ballet 's dancers and management . Curtain falls on Russian ballet director after tumultuous year .
Soloist Sergei Filin denies organizing an acid attack on the Bolshoi 's artistic director . His alleged accomplice , Yuri Zarutsky , pleads guilty and says he acted alone . Yuri Zarutsky 's alleged driver in the attack , Bolshoi , pleads not guilty . Zarutsky has recovered some of his sight after multiple surgeries in Moscow .