Antimetabolites have been used in combination with filtering surgery to imp
rove surgical results for more than 10 years. Based on research published s
ince the introduction of antimetabolites right up to date, we discuss the v
arious forms of antimetabolites that have been used, including drugs and ir
radiation. Among the drugs used, mitomycin C and 5-fluorouracil are the mos
t prominent. We discuss the background of these agents, the progress in the
use of antimetabolites and the research done on these drugs, These agents
have been used both intra-operatively and perioperatively. We discuss the i
ndications for their use, their mode of action, the techniques of usage, th
eir variations as well as the complications and the treatment of complicati
ons.