During the last 5 years, population-based prevalence surveys, large-scale clinical
evaluations, and technological advances in diagnostic methods have contributed to our
understanding of primary angle-closure glaucoma (PACG). During the early 20th century,
the association between eyes with high tactile pressure, pain, and rapid blindness was
called “acute congestive” glaucoma. Eighty years ago, Curran1 documented the beneficial
effect of iridotomy in these eyes and proposed that they had impaired aqueous humor flow …