1. Articles from Son C. Huynh

    1-7 of 7
    1. Retinal Thickness in the Offspring of Diabetic Pregnancies

      Retinal Thickness in the Offspring of Diabetic Pregnancies
      Purpose: To compare macular and peripapillary retinal nerve fiber layer (RNFL) thickness in children from diabetic compared with nondiabetic pregnancy. Design: Cross-sectional study. Methods: As part of the Sydney Myopia Study, 2367 children from grade 7 (age range 11.1 to 14.4 years) completed detailed ocular examinations during 2004–2005. Examination included determination of best-corrected visual acuity (logarithm of minimal angle of resolution) and autorefraction after cycloplegia. Axial length was measured using noncontact interferometry. Optical coherence tomography (OCT) was performed using Stratus OCT through dilated pupils. Participants and parents completed comprehensive questionnaires including questions on birth parameters and medical ...
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    2. Measurement of Optic Nerve Head Parameters: Comparison of Optical Coherence Tomography With Digital Planimetry

      Purpose: To compare the measurements of optic nerve head parameters from digital photographic images and optical coherence tomography (OCT) in normal children. Methods: The Sydney Childhood Eye Study assessed 1765 children aged 6 years from 34 randomly selected primary schools during 2003 to 2005. Optic nerve head parameters were measured from digital photographs captured using a Canon fundus camera (CF-60Uvi)/EOS 10D and OCT3 (Zeiss Stratus) using the fast optic disc protocol. Retinal images of 333 sequential child participants were graded using both methods and are included in analyses. Optic disc and cup area, vertical and horizontal disc and cup ...
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    3. Ethnic Differences in Optic Nerve Head and Retinal Nerve Fibre Layer Thickness Parameters

      Purpose: To examine ethnic differences in optic nerve head and retinal nerve fibre layer (RNFL) parameters between European Caucasian and East Asian children aged 6 and 12 years. Methods: Of 4118 children examined in the Sydney Childhood Eye Study (incorporating the Sydney Myopia Study) from 34 randomly selected primary and 21 secondary schools during 2003-5, 3382 (82.1%) had optical coherence tomography (OCT; Zeiss Stratus) data suitable for analysis. "Fast" optic disc and RNFL scans were used. Ethnicity was defined only when both parents were of the same ethnicity. Results: East Asian children tended to have a lower birth weight ...
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    4. Macular and Nerve Fiber Layer Thickness in Amblyopia: The Sydney Childhood Eye Study

      Purpose: To examine macular and peripapillary retinal nerve fiber layer (RNFL) thickness in amblyopia.Design: Population-based cross-sectional study.Participants: Of 4118 children examined in the Sydney Childhood Eye Study (incorporating the Sydney Myopia Study) from 34 randomly selected primary schools and 21 secondary schools from 2003 to 2005, 3529 (85.7%) were included in this analysis. The median age of the 2 samples was 6 years (n = 1395) and 12 years (n = 2134), respectively.Methods: A detailed eye examination was conducted on all children, including determination of best-corrected visual acuity (logarithm of the minimum angle of resolution [logMAR]), autorefraction (RK-F1 ...
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    5. Birth Weight and Optic Nerve Head Parameters

      Purpose: To assess the relationship of birth weight, birth length, and head circumference as proxy markers of intrauterine growth, cup/disc ratio, and other optic disc parameters measured using optical coherence tomography (OCT). Design: Population-based cross sectional analysis. Participants: The Sydney Childhood Eye Study examined 2353 primarily 12-year-old children from 21 randomly selected secondary schools during 2003 to 2005. Methods Of 2353 children examined, 2134 (90.7%) had OCT scans (Zeiss Stratus OCT, Carl Zeiss Meditec, Dublin, CA) and are included in this study. The “fast” optic disc scan protocol was used. Birth weight, birth length, and head circumference were ...
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    6. Macular thickness, retinal thickness, and optic disk parameters in dominant compared with nondominant eyes

      Purpose To determine whether differences exist in morphological structures of dominant and nondominant eyes in children ages 6 or 12 years. The following structural features were assessed: axial length, refraction, corneal radius of curvature, and retinal features—measured with the use of optical coherence tomography (OCT)—including macular and retinal nerve fiber layer thickness and optic disk parameters. Methods Of 4,118 children examined from 2003 to 2005 in the Sydney Myopia Study, 3,382 (82.1%) had OCT data for analysis. Comprehensive standardized eye examinations were performed, including best-corrected visual acuity. Ocular dominance was determined using the hole-in-card test ...
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    7. Retinal and Optic Disc Findings in Adolescence: A Population-Based OCT Study

      PURPOSE. To examine the distribution of macular and peripapillary nerve fiber layer (NFL) thickness and optic disc parameters in early-adolescence Australian children and to compare these with previously reported findings in younger children. METHODS. The Sydney Childhood Eye Study is a population-based cross-sectional survey of children’s eye health. During 2004 and 2005, 2367 (75.3%) of 3144 eligible year 7 students from a random cluster sample of 21 secondary schools in Sydney, Australia, were examined. The comprehensive eye examination included measurement of macular and NFL thickness and optic disc parameters by optical coherence tomography (StratusOCT; Carl Zeiss Meditec, Dublin ...

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    1-7 of 7
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