Aim: To suggest a novel retinopathy of prematurity (ROP) screening model in developing countries incorporating postnatal weight gain ratios (PWGR) to traditional parameters to maintain sensitivity and improve specificity in detecting ROP.
Methods: Analysis of weekly PWGR of infants from one tertiary referral center during six months to determine the age at which the PWGR with the highest predictability for ROP development which was referred to as the postnatal net weight gain ratio (NWGR). NWGR was added to conventional criteria to describe a new model (The Alex-ROP model).
Aim: To report the results of treatment of type 1 prethreshold retinopathy of prematurity using intravitreal injection of ultra-low dose of ranibizumab (0.1 mg in 0.01 mL).
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