1. Articles from George Burlutsky

    1-12 of 12
    1. Symmetry of Retinal Parameters Measured by Spectral-domain OCT in Normal Young Adults

      Symmetry of Retinal Parameters Measured by Spectral-domain OCT in Normal Young Adults

      Purpose: To determine interocular differences in retinal parameters in a population of young adults using spectral-domain optical coherence tomography. Methods: In the Sydney Adolescent Vascular Eye Study, young adults aged 16 to 19 years received a standardized eye examination encompassing retinal photography, spectral-domain optical coherence tomography (Cirrus HD-OCT; Carl Zeiss Meditec, Dublin, CA) and best-corrected visual acuity. Interocular differences in retinal nerve fiber layer (RNFL) and macular parameters together with sex and ethnic variations for these differences were determined. Results: In the 1500 subjects tested, right eyes had thicker average RNFL than left eyes (0.3 [mu]m, P=0 ...

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    2. Macular parameters and prematurity: A spectral domain coherence tomography study

      Macular parameters and prematurity: A spectral domain coherence tomography study

      Purpose To investigate the association of premature birth with macular parameters measured by spectral domain coherence tomography (SD-OCT). Methods The Sydney Adolescent Vascular and Eye Study performed eye examinations in school students across Sydney between 2009 and 2011. Visual acuity, cycloplegic autorefraction, and optical biometry measurements were recorded. Macular parameters were measured with SD-OCT. Questionnaires previously completed by the participants' parents were used to determine perinatal and medical history. Children with retinal disease or a known history of retinopathy of prematurity were excluded from the analysis. Results Macular measurements from the right eye of 1,672 participants ages 10-19 years ...

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    3. Association of Birth Parameters with OCT Measured Macular and Retinal Nerve Fiber Layer Thickness

      Association of Birth Parameters with OCT Measured Macular and Retinal Nerve Fiber Layer Thickness
      Aims: To examine whether birth parameters have associations with macular and retinal nerve fiber layer (RNFL) thickness measurements. Methods: The Sydney Myopia Study examined secondary school children for ocular conditions, with all eligible Year 7 students from 21 high schools invited to participate. Macular and RNFL measurements were acquired from optical coherence tomography (OCT) scans. Birth variables, including birth weight and gestational duration, were obtained from parental questionnaires and health records. Mixed linear models were used in analyses, after adjusting for age, gender, height, axial length and ethnicity. Results: 1,756 and 1,698 children had adequate quality scans of ...
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    4. 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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    5. Impact of Ethnicity on the Correlation of Retinal Parameters with Axial Length

      Impact of Ethnicity on the Correlation of Retinal Parameters with Axial Length
      Purpose. To examine whether the relationship of axial length (AL) to retinal nerve fiber layer (RNFL) and macular parameters measured by optical coherence tomography (OCT) differs according to ethnicity. Methods. As part of the Sydney Myopia Study, 2353 children from grade 7 (age range, 11.1–14.4 years) completed detailed ocular examinations in the 2004–2005 school year. AL was measured with noncontact interferometry and Stratus OCT was performed (Carl Zeiss Meditec, Jena, Germany). Results. East Asian children displayed larger AL correlations with average RNFL, inferior RNFL, nasal RNFL, outer macula, and macular volume (r = −0.25, −0.36 ...
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    6. Influence of OCT Signal Strength on Macular, Optic Nerve Head and Retinal Nerve Fiber Layer Parameters

      Influence of OCT Signal Strength on Macular, Optic Nerve Head and Retinal Nerve Fiber Layer Parameters
      PURPOSE: To examine the influence of different signal strength on measurements made using optical coherence tomography (OCT) on macular, optic nerve head and retinal nerve fiber layer (RNFL) parameters. METHODS: 2092 children mostly aged 12 years were examined during 2003-5 and macular, optic nerve head and RNFL parameters were measured using Stratus OCT (Carl Zeiss, Dublin, CA). Multiple 'fast' scans were acquired and only right eyes were included in analyses. Signal strength category was determined after averaging individual signal strengths from each scan and classifying scans into 'moderate' (average signal strength between 5 and 7.49), 'good' (average signal strength ...
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    7. 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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    8. 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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    9. Relationship between Retinal Structures and Retinal Vessel Caliber in Normal Adolescents

      Aims: To describe the normal physiological relationships between retinal arteriolar and venular caliber with retinal nerve fiber layer (RNFL), macular and optic nerve head parameters. Methods: The Sydney Childhood Eye Study assessed 2038 adolescents aged 12 years. Retinal vessel calibers were measured from digital fundus photographs using standardized protocols. Optical coherence tomography (StratusOCT) measurements of RNFL, macular and optic nerve head parameters were obtained using the 'fast' scan protocol. Mixed model analyses were performed. Results: After adjusting for covariates, each µm increase in RNFL thickness was associated with a 0.22µm (0.15%, p<0.0001) and 0.49µm (0 ...
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    10. 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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    11. 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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    12. 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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    1-12 of 12
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    1. (12 articles) George Burlutsky
    2. (11 articles) University of Sydney
    3. (11 articles) Paul Mitchell
    4. (8 articles) Chameen Samarawickrama
    5. (8 articles) Carl Zeiss Meditec
    6. (6 articles) Amy Pai
    7. (1 articles) University of Melbourne
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    12. (1 articles) National Institutes of Health
    13. (1 articles) University of Illinois at Urbana-Champaign
    14. (1 articles) Tianjin University
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    16. (1 articles) New York Eye and Ear Infirmary
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    Influence of OCT Signal Strength on Macular, Optic Nerve Head and Retinal Nerve Fiber Layer Parameters Impact of Ethnicity on the Correlation of Retinal Parameters with Axial Length Retinal Thickness in the Offspring of Diabetic Pregnancies Association of Birth Parameters with OCT Measured Macular and Retinal Nerve Fiber Layer Thickness Optical coherence tomography angiography in glaucoma Handheld optical coherence tomography for clinical assessment of dental plaque and gingiva Characterisation of macular superficial vessel density alteration in preclinical ethambutol-induced optic neuropathy using optical coherence tomography angiography Three-dimensional spatial reconstruction of coronary arteries based on fusion of intravascular optical coherence tomography and coronary angiography Dynamic-range compression and contrast enhancement in swept-source optical coherence tomography systems with a frequency gain compensation amplifier Healing and early stent coverage after ultrathin strut biodegradable polymer-coated sirolimus-eluting stent implantation: SiBi optical coherence tomography study Optical coherence tomography angiography of choroidal neovascularization in immune choroiditis following acute retinal necrosis Operation Night Watch: getting closer to Rembrandt despite distancing