tokens: After i.v. administration of 500 mg acetazolamide and disinfection of the conjunctiva , 50 micrograms rt-PA in 0.1 ml ( BSS ) and 0.5 ml SF6 were injected intravitreally .
folded_tokens: after i.v. administration of 500 mg acetazolamide and disinfection of the conjunctiva , 50 microgram rt-pa in 0.1 ml ( bss ) and 0.5 ml sf6 be inject intravitreally .