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Items: 1 to 50 of 147


Inflation experiments and inverse finite element modelling of posterior human sclera.

Geraghty B, Abass A, Eliasy A, Jones SW, Rama P, Kassem W, Akhtar R, Elsheikh A.

J Biomech. 2019 Oct 22:109438. doi: 10.1016/j.jbiomech.2019.109438. [Epub ahead of print]


Simulation of the Effect of Material Properties on Soft Contact Lens On-Eye Power.

Moore J, Lopes BT, Eliasy A, Geraghty B, Wu R, White L, Elsheikh A, Abass A.

Bioengineering (Basel). 2019 Oct 9;6(4). pii: E94. doi: 10.3390/bioengineering6040094.


The effect of human interferon alpha on replication of different bovine viral diarrhea virus strains.

Elsheikh AA, Braun LJ, Mansour SMG, Orabi A, Alqahtani AS, Benfield DA, Chase CCL.

Acta Virol. 2019;63(3):261-269. doi: 10.4149/av_2019_303.


Numerical Simulation of Corneal Fibril Reorientation in Response to External Loading.

Zhou D, Abass A, Eliasy A, Movchan A, Movchan N, Elsheikh A.

Int J Environ Res Public Health. 2019 Sep 6;16(18). pii: E3278. doi: 10.3390/ijerph16183278.


Artefact-free topography based scleral-asymmetry.

Abass A, Lopes BT, Eliasy A, Salomao M, Wu R, White L, Jones S, Clamp J, Ambrósio R Jr, Elsheikh A.

PLoS One. 2019 Jul 26;14(7):e0219789. doi: 10.1371/journal.pone.0219789. eCollection 2019.


Development and validation of a new intraocular pressure estimate for patients with soft corneas.

Chen KJ, Eliasy A, Vinciguerra R, Abass A, Lopes BT, Vinciguerra P, Ambrósio R Jr, Roberts CJ, Elsheikh A.

J Cataract Refract Surg. 2019 Sep;45(9):1316-1323. doi: 10.1016/j.jcrs.2019.04.004. Epub 2019 Jul 18.


Determination of Corneal Biomechanical Behavior in-vivo for Healthy Eyes Using CorVis ST Tonometry: Stress-Strain Index.

Eliasy A, Chen KJ, Vinciguerra R, Lopes BT, Abass A, Vinciguerra P, Ambrósio R Jr, Roberts CJ, Elsheikh A.

Front Bioeng Biotechnol. 2019 May 16;7:105. doi: 10.3389/fbioe.2019.00105. eCollection 2019.


Pallister-Killian Mosaic Syndrome in an Omani Newborn: A Case Report and Literature Review.

Elsheikh A, Al Shehhi M, Goud TM, Itoo B, Al Harasi S.

Oman Med J. 2019 May;34(3):249-253. doi: 10.5001/omj.2019.47.


Corneal deformation amplitude analysis for keratoconus detection through compensation for intraocular pressure and integration with horizontal thickness profile.

Leão E, Ing Ren T, Lyra JM, Machado A, Koprowski R, Lopes B, Vinciguerra R, Vinciguerra P, Roberts CJ, Elsheikh A, Krysik K, Ambrósio R Jr.

Comput Biol Med. 2019 Jun;109:263-271. doi: 10.1016/j.compbiomed.2019.04.019. Epub 2019 Apr 25.


Simulated optical performance of soft contact lenses on the eye.

Abass A, Stuart S, Lopes BT, Zhou D, Geraghty B, Wu R, Jones S, Flux I, Stortelder R, Snepvangers A, Leca R, Elsheikh A.

PLoS One. 2019 May 14;14(5):e0216484. doi: 10.1371/journal.pone.0216484. eCollection 2019.


Microstructure-based numerical simulation of the mechanical behaviour of ocular tissue.

Zhou D, Abass A, Eliasy A, Studer HP, Movchan A, Movchan N, Elsheikh A.

J R Soc Interface. 2019 May 31;16(154):20180685. doi: 10.1098/rsif.2018.0685.


Analysis of X-ray scattering microstructure data for implementation in numerical simulations of ocular biomechanical behaviour.

Zhou D, Eliasy A, Abass A, Markov P, Whitford C, Boote C, Movchan A, Movchan N, Elsheikh A.

PLoS One. 2019 Apr 1;14(4):e0214770. doi: 10.1371/journal.pone.0214770. eCollection 2019.


Corneal biomechanics and biomechanically corrected intraocular pressure in primary open-angle glaucoma, ocular hypertension and controls.

Vinciguerra R, Rehman S, Vallabh NA, Batterbury M, Czanner G, Choudhary A, Cheeseman R, Elsheikh A, Willoughby CE.

Br J Ophthalmol. 2019 Mar 28. pii: bjophthalmol-2018-313493. doi: 10.1136/bjophthalmol-2018-313493. [Epub ahead of print]


Regional changes in corneal shape over a 6-month follow-up after femtosecond-assisted LASIK.

Bao F, Cao S, Wang J, Wang Y, Huang W, Zhu R, Zheng X, Huang J, Chen S, Li Y, Wang Q, Elsheikh A.

J Cataract Refract Surg. 2019 Jun;45(6):766-777. doi: 10.1016/j.jcrs.2018.12.017. Epub 2019 Mar 12.


Effect of freezing and thawing on the biomechanical characteristics of porcine ocular tissues.

Abass A, Eliasy A, Geraghty B, Elabd M, Hassan A, Elsheikh A.

J Biomech. 2019 Apr 18;87:93-99. doi: 10.1016/j.jbiomech.2019.02.024. Epub 2019 Mar 1.


Non-Orthogonal Refractive Lenses for Non-Orthogonal Astigmatic Eyes.

Abass A, Lopes BT, Jones S, White L, Clamp J, Elsheikh A.

Curr Eye Res. 2019 Jul;44(7):781-789. doi: 10.1080/02713683.2019.1589523. Epub 2019 Apr 5.


Evaluation of undergraduate psychiatric teaching in Sudan.

Tahir ME, Elsheikh A, Abodoum A, Ahmed MH.

BJPsych Int. 2019 Feb;16(1):13-15. doi: 10.1192/bji.2017.39.


Differential regulation of the Drosophila sleep homeostat by circadian and arousal inputs.

Ni JD, Gurav AS, Liu W, Ogunmowo TH, Hackbart H, Elsheikh A, Verdegaal AA, Montell C.

Elife. 2019 Feb 5;8. pii: e40487. doi: 10.7554/eLife.40487.


Bulk changes in posterior scleral collagen microstructure in human high myopia.

Markov PP, Eliasy A, Pijanka JK, Htoon HM, Paterson NG, Sorensen T, Elsheikh A, Girard MJA, Boote C.

Mol Vis. 2018 Dec 30;24:818-833. eCollection 2018.


Facial analysis using a new clinical device: The Kattan Facio-meter.

El Kattan ES, Elhiny OA, El Kattan ME, El Kattan AE, Elsheikh A.

J Clin Exp Dent. 2019 Jan 1;11(1):e9-e14. doi: 10.4317/jced.55394. eCollection 2019 Jan.


Rare NF1 microdeletion syndrome in an Omani patient.

Al-Araimi M, Hamza N, Al Yahmadi A, Al Mazrooey H, Elsheikh A, Al Amri A, Al Harrasi S, Hausdorf L, Mula-Abed WA.

Clin Case Rep. 2018 Oct 26;6(12):2424-2426. doi: 10.1002/ccr3.1881. eCollection 2018 Dec.


Three-dimensional non-parametric method for limbus detection.

Abass A, Lopes BT, Eliasy A, Wu R, Jones S, Clamp J, Ambrósio R Jr, Elsheikh A.

PLoS One. 2018 Nov 26;13(11):e0207710. doi: 10.1371/journal.pone.0207710. eCollection 2018.


Experimental Evaluation of Travoprost-Induced Changes in Biomechanical Behavior of Ex-Vivo Rabbit Corneas.

Zheng X, Wang Y, Zhao Y, Cao S, Zhu R, Huang W, Yu A, Huang J, Wang Q, Wang J, Bao F, Elsheikh A.

Curr Eye Res. 2019 Jan;44(1):19-24. doi: 10.1080/02713683.2018.1516781. Epub 2018 Oct 1.


Very Early Versus Early Percutaneous Coronary Intervention After Successful Fibrinolytic Therapy in Pharmacoinvasive Strategy.

Khalfallah M, Elsheikh A, Abdalaal M.

Glob Heart. 2018 Dec;13(4):261-265. doi: 10.1016/j.gheart.2018.06.003. Epub 2018 Aug 8.


Positions of Ocular Geometrical and Visual Axes in Brazilian, Chinese and Italian Populations.

Abass A, Vinciguerra R, Lopes BT, Bao F, Vinciguerra P, Ambrósio R Jr, Elsheikh A.

Curr Eye Res. 2018 Nov;43(11):1404-1414. doi: 10.1080/02713683.2018.1500609. Epub 2018 Jul 30.


Ex-vivo experimental validation of biomechanically-corrected intraocular pressure measurements on human eyes using the CorVis ST.

Eliasy A, Chen KJ, Vinciguerra R, Maklad O, Vinciguerra P, Ambrósio R Jr, Roberts CJ, Elsheikh A.

Exp Eye Res. 2018 Oct;175:98-102. doi: 10.1016/j.exer.2018.06.013. Epub 2018 Jun 15.


Human adipose derived stem cells are superior to human osteoblasts (HOB) in bone tissue engineering on a collagen-fibroin-ELR blend.

Sayin E, Rashid RH, Rodríguez-Cabello JC, Elsheikh A, Baran ET, Hasirci V.

Bioact Mater. 2017 Apr 27;2(2):71-81. doi: 10.1016/j.bioactmat.2017.04.001. eCollection 2017 Jun.


Development and clinical verification of numerical simulation for laser in situ keratomileusis.

Bao F, Wang J, Cao S, Liao N, Shu B, Zhao Y, Li Y, Zheng X, Huang J, Chen S, Wang Q, Elsheikh A.

J Mech Behav Biomed Mater. 2018 Jul;83:126-134. doi: 10.1016/j.jmbbm.2018.04.016. Epub 2018 Apr 19.


Clinical evaluation of a new correction algorithm for dynamic Scheimpflug analyzer tonometry before and after laser in situ keratomileusis and small-incision lenticule extraction.

Chen KJ, Joda A, Vinciguerra R, Eliasy A, Sefat SMM, Kook D, Geraghty B, Roberts CJ, Elsheikh A.

J Cataract Refract Surg. 2018 May;44(5):581-588. doi: 10.1016/j.jcrs.2018.01.023. Epub 2018 Apr 22.


The Relationship Between Mechanical Properties, Ultrastructural Changes, and Intrafibrillar Bond Formation in Corneal UVA/Riboflavin Cross-linking Treatment for Keratoconus.

Chang SH, Mohammadvali A, Chen KJ, Ji YR, Young TH, Wang TJ, Willoughby CE, Hamill KJ, Elsheikh A.

J Refract Surg. 2018 Apr 1;34(4):264-272. doi: 10.3928/1081597X-20180220-01.


Should the Corvis Biomechanical Index (CBI) Include Corneal Thickness Parameters?

Vinciguerra R, Ambrósio R Jr, Roberts CJ, Elsheikh A, Lopes B, Vinciguerra P.

J Refract Surg. 2018 Mar 1;34(3):213-216. doi: 10.3928/1081597X-20180103-01. No abstract available.


Numerical study of the effect of head and eye movement on progression of retinal detachment.

Vroon J, de Jong JH, Aboulatta A, Eliasy A, van der Helm FCT, van Meurs JC, Wong D, Elsheikh A.

Biomech Model Mechanobiol. 2018 Aug;17(4):975-983. doi: 10.1007/s10237-018-1006-y. Epub 2018 Feb 24.


Is this a worrisome red eye? Episcleritis in the primary care setting.

Salama A, Elsheikh A, Alweis R.

J Community Hosp Intern Med Perspect. 2018 Feb 6;8(1):46-48. doi: 10.1080/20009666.2017.1418110. eCollection 2018.


Non-Orthogonal Corneal Astigmatism among Normal and Keratoconic Brazilian and Chinese populations.

Abass A, Clamp J, Bao F, Ambrósio R Jr, Elsheikh A.

Curr Eye Res. 2018 Jun;43(6):717-724. doi: 10.1080/02713683.2018.1433858. Epub 2018 Feb 2.


Changes in biomechanically corrected intraocular pressure and dynamic corneal response parameters before and after transepithelial photorefractive keratectomy and femtosecond laser-assisted laser in situ keratomileusis.

Lee H, Roberts CJ, Kim TI, Ambrósio R Jr, Elsheikh A, Yong Kang DS.

J Cataract Refract Surg. 2017 Dec;43(12):1495-1503. doi: 10.1016/j.jcrs.2017.08.019.


Changes in Corneal Biomechanical Properties With Different Corneal Cross-linking Irradiances.

Bao F, Zheng Y, Liu C, Zheng X, Zhao Y, Wang Y, Li L, Wang Q, Chen S, Elsheikh A.

J Refract Surg. 2018 Jan 1;34(1):51-58. doi: 10.3928/1081597X-20171025-01.


A Unique Case of Melorheostosis Presenting with Two Radiologically Distinct Lesions in the Shoulder.

Elsheikh AA, Pinto RS, Mistry A, Frostick SP.

Case Rep Orthop. 2017;2017:9307259. doi: 10.1155/2017/9307259. Epub 2017 Nov 6.


Repeatability of corneal elevation maps in keratoconus patients using the tomography matching method.

Zheng Y, Huang L, Zhao Y, Wang J, Zheng X, Huang W, Geraghty B, Wang Q, Chen S, Bao F, Elsheikh A.

Sci Rep. 2017 Dec 12;7(1):17457. doi: 10.1038/s41598-017-17658-7.


The hierarchical response of human corneal collagen to load.

Bell JS, Hayes S, Whitford C, Sanchez-Weatherby J, Shebanova O, Vergari C, Winlove CP, Terrill N, Sorensen T, Elsheikh A, Meek KM.

Acta Biomater. 2018 Jan;65:216-225. doi: 10.1016/j.actbio.2017.11.015. Epub 2017 Nov 8.


Corneal Biomechanics in Ectatic Diseases: Refractive Surgery Implications.

Ambrósio R Jr, Correia FF, Lopes B, Salomão MQ, Luz A, Dawson DG, Elsheikh A, Vinciguerra R, Vinciguerra P, Roberts CJ.

Open Ophthalmol J. 2017 Jul 31;11:176-193. doi: 10.2174/1874364101711010176. eCollection 2017.


A viscoelastic anisotropic hyperelastic constitutive model of the human cornea.

Whitford C, Movchan NV, Studer H, Elsheikh A.

Biomech Model Mechanobiol. 2018 Feb;17(1):19-29. doi: 10.1007/s10237-017-0942-2. Epub 2017 Aug 5.


Integration of Scheimpflug-Based Corneal Tomography and Biomechanical Assessments for Enhancing Ectasia Detection.

Ambrósio R Jr, Lopes BT, Faria-Correia F, Salomão MQ, Bühren J, Roberts CJ, Elsheikh A, Vinciguerra R, Vinciguerra P.

J Refract Surg. 2017 Jul 1;33(7):434-443. doi: 10.3928/1081597X-20170426-02.


Repeatability and Reproducibility of Intraocular Pressure and Dynamic Corneal Response Parameters Assessed by the Corvis ST.

Lopes BT, Roberts CJ, Elsheikh A, Vinciguerra R, Vinciguerra P, Reisdorf S, Berger S, Koprowski R, Ambrósio R Jr.

J Ophthalmol. 2017;2017:8515742. doi: 10.1155/2017/8515742. Epub 2017 Jun 6.


Maternal serum anti-Müllerian hormone in Sudanese women with preeclampsia.

Agabain E, Mohamed H, Elsheikh AE, Hamdan HZ, Adam I.

BMC Res Notes. 2017 Jun 24;10(1):217. doi: 10.1186/s13104-017-2544-6.


Effects of diabetes mellitus on biomechanical properties of the rabbit cornea.

Bao F, Deng M, Zheng X, Li L, Zhao Y, Cao S, Yu A, Wang Q, Huang J, Elsheikh A.

Exp Eye Res. 2017 Aug;161:82-88. doi: 10.1016/j.exer.2017.05.015. Epub 2017 Jun 8.


Results of cementless total elbow arthroplasty using the Discovery elbow system at a mean follow-up of 61.8 months.

Frostick SP, Elsheikh AA, Mohammed AA, Wood A.

J Shoulder Elbow Surg. 2017 Aug;26(8):1348-1354. doi: 10.1016/j.jse.2017.03.025. Epub 2017 Jun 7.


Evaluating the repeatability of corneal elevation through calculating the misalignment between Successive topography measurements during the follow up of LASIK.

Zheng X, Yang W, Huang L, Wang J, Cao S, Geraghty B, Zhao Y, Wang Q, Bao F, Elsheikh A.

Sci Rep. 2017 Jun 9;7(1):3122. doi: 10.1038/s41598-017-03223-9.


Introduction of Two Novel Stiffness Parameters and Interpretation of Air Puff-Induced Biomechanical Deformation Parameters With a Dynamic Scheimpflug Analyzer.

Roberts CJ, Mahmoud AM, Bons JP, Hossain A, Elsheikh A, Vinciguerra R, Vinciguerra P, Ambrósio R Jr.

J Refract Surg. 2017 Apr 1;33(4):266-273. doi: 10.3928/1081597X-20161221-03.


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