Search Results - "LAM, Andrew K. C"

Performance of neuroretinal rim thickness measurement by Cirrus high-definition optical coherence tomography in myopic eyes by Lam, Andrew K. C., Lai, H. C., Sung, Y. K., Lam, W. H., Tiu, C. M.

“…Neuroretinal rim (NRR) measurement can aid the diagnosis of glaucoma. A few studies reported that Cirrus optical coherence tomography (OCT) had NRR…”
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Posterior corneal curvature change and recovery after 6 months of overnight orthokeratology treatment by Chen, Davie, Lam, Andrew K. C., Cho, Pauline

“…Purpose:  To investigate the changes in, and recovery of, posterior corneal curvature after 6 months of overnight orthokeratology (ortho‐k). Methods: …”
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A pilot study on the corneal biomechanical changes in short-term orthokeratology by Chen, Davie, Lam, Andrew K. C., Cho, Pauline

“…Purpose:  To investigate the biomechanical changes in the cornea, in terms of corneal hysteresis (CH) and corneal resistance factor (CRF), with short‐term…”
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Intrasession and intersession repeatability of the Pentacam system on posterior corneal assessment in the normal human eye by Chen, Davie, Lam, Andrew K.C., PhD, FAAO

“…Purpose To study the intrasession and intersession repeatability of the Pentacam system (Oculus Inc.) in measuring the posterior corneal shape. Setting School…”
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Automatic quantification of superficial foveal avascular zone in optical coherence tomography angiography implemented with deep learning by Guo, Menglin, Zhao, Mei, Cheong, Allen M. Y., Dai, Houjiao, Lam, Andrew K. C., Zhou, Yongjin

“…An accurate segmentation and quantification of the superficial foveal avascular zone (sFAZ) is important to facilitate the diagnosis and treatment of many…”
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The Roles of Cornea and Axial Length in Corneal Hysteresis among Emmetropes and High Myopes: A Pilot Study by Wong, Yin-Zhi, Lam, Andrew K. C.

“…Abstract Purpose: To observe the roles of cornea and axial length (AL) in corneal hysteresis (CH) among emmetropes and high myopes. Materials and Methods: The…”
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Correction on the distortion of Scheimpflug imaging for dynamic central corneal thickness by Li, Tianjie, Tian, Lei, Wang, Like, Hon, Ying, Lam, Andrew K. C, Huang, Yifei, Wang, Yuanyuan, Zheng, Yongping

“…The measurement of central corneal thickness (CCT) is important in ophthalmology. Most studies concerned the value at normal status, while rare ones focused on…”
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Intraocular pressure variation from ocular compression in low and high myopia by Xu, Fang-Yu, Lam, Andrew KC

“…Change in intraocular pressure during acute ocular compression is related to aqueous humour dynamics. Monitoring intraocular pressure (IOP) change throughout…”
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Excessive use of electronic devices among children and adolescents is associated with musculoskeletal symptoms, visual symptoms, psychosocial health, and quality of life: a cross-sectional study by Tsang, Sharon M H, Cheing, Gladys L Y, Lam, Andrew K C, Siu, Andrew M H, Pang, Peter C K, Yip, Kin-Chung, Chan, Jess W K, Jensen, Mark P

“…Electronic devices have become an indispensable part of our daily lives. The frequency and duration of device use in children and adolescents have increased…”
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Retinal Nerve Fiber Layer Thickness in Normal Hong Kong Chinese Children Measured With Optical Coherence Tomography by Leung, Mabel M. P, Huang, Ronnie Y. C, Lam, Andrew K. C

“…PURPOSETo obtain the retinal nerve fiber layer (RNFL) thickness normative values of Hong Kong children by using optical coherence tomography (OCT) and to…”
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Structural and haemodynamic properties of ocular vasculature in axial myopia by Zhao, Mei, Lam, Andrew KC, Cheong, Allen MY

“…The high prevalence of myopia has become a global concern, especially in East and Southeast Asia. Alarmingly, the prevalence of high myopia is increasing…”
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Corneal deformation measurement using Scheimpflug noncontact tonometry by Hon, Ying, Lam, Andrew K C

“…To determine the intraexaminer repeatability and intersession reproducibility of corneal deformation measurement using Scheimpflug noncontact tonometry (Corvis…”
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In vivo measurement of regional corneal tangent modulus by Hon, Ying, Chen, Guo-Zhen, Lu, Shu-Hao, Lam, David CC, Lam, Andrew KC

“…Currently available clinical devices are unable to measure corneal biomechanics other than at the central region. Corneal stiffness ( S ), thickness, and…”
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Intra-observer and inter-observer variation of Hertel exophthalmometry by Lam, Andrew K. C., Lam, Chun-fai, Leung, Wai-kit, Hung, Pui-kwan

“…Purpose:  This study investigated the intra‐observer and inter‐observer variation of Hertel exophthalmometry. Methods:  Seventy normal Chinese adults had…”
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Repeatability of corneal biomechanical measurements in children wearing spectacles and orthokeratology lenses by Hon, Ying, Cheung, Sin W, Cho, Pauline, Lam, Andrew KC

“…Citation information: Hon Y, Cheung SW, Cho P & Lam AKC. Repeatability of corneal biomechanical measurements in children wearing spectacles and orthokeratology…”
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The repeatability and accuracy of axial length and anterior chamber depth measurements from the IOLMaster by Lam, Andrew K. C., Chan, Rufina, Pang, Peter C. K.

“…Summary Background: Axial length and anterior chamber depth have been measured clinically using conventional ultrasound biometry. Recently, a non‐contact…”
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COVID‐19: ensuring safe clinical teaching at university optometry schools by Jonuscheit, Sven, Lam, Andrew K C, Schmid, Katrina L, Flanagan, John, Martin, Raul, Troilo, David

“…The COVID‐19 pandemic has been spreading across the globe for several months. The nature of the virus (SARS‐CoV‐2) with easy person‐to‐person transmissions and…”
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Pentacam anterior chamber parameters in young and middle-aged Chinese by Lam, Andrew Kc, Tse, Jimmy Sh

“…The aim was to compare the anterior segment of two groups of Chinese using the Pentacam system. Fifty young (median age 21-years) and 50 middle-aged (median…”
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The performance of four different corneal topographers on normal human corneas and its impact on orthokeratology lens fitting by CHO, Pauline, LAM, Andrew K. C, MOUNTFORD, John, NG, Larry

“…To evaluate the performances of Humphrey Atlas 991, Orbscan II, Dicon CT200, Medmont E300 on young Chinese adults. Three sets of corneal topography…”
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Multiple scan averaging to yield accurate quantitative analysis of optical coherence tomography angiograms by Khan, Hafi M., Gentle, Alex, Armitage, James A., To, Chi-ho, Lam, Andrew K. C.

“…Optical coherence tomography angiography (OCTA) is widely used in ophthalmic practice. Most OCTA studies based their findings on a single OCTA measurement. We…”
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