) (12) Treatment wherever required was according to the ETROP study guidelines with laser photocoagulation.
The data files of 98 eyes belonging to 56 newborns registered in Cerrahpasa Medical Faculty, Department of Ophtalmology Retina Division who underwent DLP between June 2007 and December 2010 according to The International Classification of Retinopathy of Prematurity (ICROP) criteria (1) which were rearranged in 2005 and The Early Treatment for Retinopathy of Prematurity Study (ETROP) criteria (6) were examined retrospectively.
The patients were staged by making a classification according to ICROP criteria following examination.
The ROP was classified by location (on the retina) (zone 1-3), and severity (stage 1-5), according to the criteria of The International Classification of Retinopathy of Prematurity (ICROP
, 1984/1987) (11, 12).
Retinopathy of Prematurity was staged according to the ICROP guidelines (International Classification of Retinopathy of Prematurity) (13) and decision on treatment was based on ETROP guidelines (Early treatment of Retinopathy guidelines) (14) summarized below.
Treated ROP cases were classified as Classical ROP (Type 1 ROP) and Aggressive Posterior ROP (APROP) according to revised classification of ROP (ICROP Re-visited, 2005).
Erken dogmus bebegin retinopati (ROP) evrelemesi uluslararasi ROP sinisama olcutleri (iCROP
), ViK kraniyal ultrason bulgulari Papile siniflamasi, perinatal asfiksi dereceleri Sarnat siniflamasi, NEK siniflamasi degistirilmis Bell olcutleri ile yapildi (12-15).