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premature infants who had a history of intravitreal injection of (Ranibizumab) not less than one year were examined for refractive state and biometry
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Medical records were collected in each group for birth history data, including gestational age (GA), birth weight (BW), and postmenstrual age (PMA) at time of intravitreal injection. The zone and stage of ROP were also recorded. All patients were evaluated for refractive errors and cycloplegic refraction was performed using a handheld auto keratorefractometer (Righton Retinomax K-plus2), and confirmed by retinoscopy examination. Refractive errors were calculated as spherical equivalent and astigmatism in cylinder. The average corneal radius of curvature was measured by handheld auto kerato-refractometer (Righton Retinomax K-plus2). The biometric optic components, including anterior chamber depth, lens thickness, and axial length, were measured using A-scan ultrasound (model Echoscan US-4000 / 500; Nidek)
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140 participants in 4 patient groups
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Data sourced from clinicaltrials.gov
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