regression of urrets-zavalia 's syndrome was obtained in one case after treatment administered according to a strict sequence following keratoplasty for keratoconus : sympatholytic drops ( guanethidine 5 % -ismelin ) every 4 hours for 24 hours , followed the next day , when mydriasis had been slightly reduced , by parasympathomimetic drops ( pilocarpine 2 % ) .
C0026961
mydriasis
C0031923
pilocarpine