This study was performed to assess the workload imposed by treatment f
or infertility on a retinopathy of prematurity (ROP) screening program
me. We reviewed the records of all babies born between August 1991 and
December 1994 as a result of treatment in the Assisted Conception Uni
t of this hospital, and of all babies screened for ROP over the same p
eriod, Of the babies born after assisted conception treatment, 20% ful
filled the ROP screening criteria, ROP of any stage was present in 23%
of all the assisted conception babies screened, This group also accou
nted for a large proportion of those reaching stage 3 disease and of t
hose requiring treatment.