Laser treatment of zone I prethreshold and stage 3 threshold retinopathy of prematurity.
OBJECTIVE
To analyze the structural outcomes of zone I prethreshold and stage 3 threshold retinopathy of prematurity following laser ablation.


METHODS
This nonrandomized observational case series evaluated 71 eyes of 36 infants who weighed less than 1,250 g at birth. Infants were treated at either prethreshold or threshold severity. The structural outcomes were compared using Fisher's exact test.


RESULTS
The structural outcome was favorable in 96% and 80% of the prethreshold and threshold groups, respectively (P = .069). When an unfavorable outcome was defined as dragging of the temporal vessels, the difference was significant (P = .0257).


CONCLUSIONS
Early treatment of zone I disease may result in a better structural outcome.
Récsán
Zsuzsa
Z
Second Department of Ophthalmology, Faculty of Medicine, Semmelweis University, Budapest, Hungary.
Vámos
Rita
R
Salacz
György
G
D001724:Birth Weight; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D017075:Laser Coagulation; D012178:Retinopathy of Prematurity / Q000145:classification / Q000601:surgery*