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1.
J Pharm Bioallied Sci ; 15(Suppl 2): S1257-S1261, 2023 Jul.
Article in English | MEDLINE | ID: mdl-37694002

ABSTRACT

Aims and Objectives: To determine the choroidal thickness (mainly subfoveal) using spectral domain optical coherence tomography (SD-OCT) in amblyopic eyes and to compare it with the choroidal thickness (CT) of healthy fellow eyes. Materials and Methods: In this prospective study, 140 eyes of 70 patients (aged 5-40 years) with strabismic and anisometropic amblyopia were examined using enhanced depth imaging (EDI) mode in SD-OCT. The CT was measured directly below the fovea and six other locations: 500 µ, 1000 µ, and 1500 µ from fovea in both nasal and temporal quadrants. Results: The mean age of the patients was 22.5 ± 11.2 years. The mean Best Corrected Visual Acuity (BCVA) in the amblyopic eyes was 0.87 ± 0.47 logMAR and 0 ± 0.02 logMAR in control eyes. The average subfoveal CT was 341.73 ± 60.39 µm in the amblyopic eyes and 314.77 ± 48.12 µm in the fellow eyes. Subgroup analysis showed that the patients with anisometropic amblyopia had a significantly thicker choroid as compared to the fellow healthy eyes (P = 0.00), whereas in strabismic amblyopic eyes, this difference was not significantly significant (P = 0.064). Conclusion: Significant choroidal thickening was observed in subjects with amblyopia, which may contribute to the amblyopia pathogenesis and this could be used as a diagnostic parameter for amblyopia. These changes were more pronounced in patients with anisometropic amblyopia than strabismic amblyopia.

2.
J Pharm Bioallied Sci ; 15(Suppl 2): S1266-S1269, 2023 Jul.
Article in English | MEDLINE | ID: mdl-37694017

ABSTRACT

Objective: To analyze the incidence of retinopathy of prematurity (ROP) among preterm neonates who were born small for gestational age (SGA) and appropriate for gestational age (AGA). Materials and Methods: A prospective cohort study among preterm neonates born <34 weeks of gestational age (GA) and <2000 grams birth weight (BW) was conducted. The neonates were divided into AGA and SGA group. Incidence of ROP and risk factors was compared among the groups. Result: 290 neonates were screened [AGA: 240 (82.8%); SGA: 50 (17.2%)]. The mean birth-weight and gestational age were 1510.7 ± 390.64 grams and 31.4 ± 4.8 weeks, respectively. The incidence of ROP in AGA and SGA was 30.2% and 33%, respectively (P = 0.58), whereas the incidence of type 1 ROP in AGA and SGA was 14% and 19% (P = 0.41). Male sex, anemia, oxygen administration, surfactant administration, sepsis, and PIH were independent significant risk factors for ROP on multivariate analysis. Conclusion: This study showed that both AGA and SGA premature infants have similar incidence of ROP. SGA is not an independent risk factor for ROP.

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