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Cornea & External Disease March 2025

Comparing the Performance of Stress-Strain Index Versions 1 and 2 in Normal and Keratoconus Patients

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Nan-Ji Lu; Marta Jiménez-García; Ahmed Elsheikh; Ahmed Makarem; Carina Koppen; Jos J. Rozema
TAGS: keratoconus, stress, cornea, eye, tomography
Trans. Vis. Sci. Tech.. 2025; 14(3):23. https://doi.org/10.1167/tvst.14.3.23

Includes: Supplemental Content

Cornea November 2024

Restoration of Corneal Stiffness in Rabbits Following Withdrawal of Travoprost

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XiaoBo Zheng; Chong Wang; YiWen Fan; YuXin Hong; Han Bao; ErChi Zhang; Yi Jin; Peng Yang; LingQiao Li; JunJie Wang; ShiHao Chen; Ahmed Elsheikh; FangJun Bao
TAGS: cornea, oryctolagus cuniculus, travoprost, cardiac ct, multiple wake test, eye
Invest. Ophthalmol. Vis. Sci.. 2024; 65(13):35. https://doi.org/10.1167/iovs.65.13.35

ARVO Annual Meeting Abstract June 2024

Early keratoconus detection using a diagnostic model that combines corneal shape and biomechanics parameters

Fangjun Bao; Yuanyuan Miao; Shihao Chen; Ahmed Elsheikh

Invest. Ophthalmol. Vis. Sci.. 2024; 65(7):2062.

ARVO Annual Meeting Abstract June 2024

In-vivo mapping of the localised corneal biomechanical deterioration associated with keratoconus progression

Ahmed Elsheikh; Bernardo Lopes; Prema Padmanabhan

Invest. Ophthalmol. Vis. Sci.. 2024; 65(7):2061.

Cornea October 2023

Use of Nanoindentation in Determination of Regional Biomechanical Properties of Rabbit Cornea After UVA Cross-Linking

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Xiaobo Zheng; Yue Xin; Chong Wang; Yiwen Fan; Peng Yang; Lingqiao Li; Danping Yin; Erchi Zhang; Yuxin Hong; Han Bao; Junjie Wang; Fangjun Bao; Weiwei Zhang; Shihao Chen; Ahmed Elsheikh; Michael Swain
TAGS: cornea, corneal collagen cross-linking, cross-linking, oryctolagus cuniculus, ultraviolet a radiation
Invest. Ophthalmol. Vis. Sci.. 2023; 64(13):26. https://doi.org/10.1167/iovs.64.13.26

Refractive Intervention March 2023

Corneal Biomechanics After SMILE, Femtosecond-Assisted LASIK, and Photorefractive Keratectomy: A Matched Comparison Study

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Hassan Hashemi; Cynthia J. Roberts; Ahmed Elsheikh; Shiva Mehravaran; Parsa Panahi; Soheila Asgari
TAGS: biomechanics, comparative study research, cornea, keratectomy, keratomileusis, laser in situ, surgical procedures, operative
Trans. Vis. Sci. Tech.. 2023; 12(3):12. https://doi.org/10.1167/tvst.12.3.12

ARVO Annual Meeting Abstract June 2022

Corneal biomechanical parameters in healthy and early-stage keratoconus eyes from cross-meridian air-puff deformation OCT

Judith Sophie Birkenfeld; Alejandra Varea; Andrea Curatolo; Ashkan Eliasy; Ana Maria Gonzalez; Eduardo Martinez-Enriquez; Ahmed Abass; Bernardo Lopes; Ahmed Elsheikh; Jesus Merayo-Lloves; Susana Marcos

Invest. Ophthalmol. Vis. Sci.. 2022; 63(7):2394 – A0197.

ARVO Annual Meeting Abstract June 2021

Corneal Stress-Strain Index (SSI) Map

Ahmed Abass; Ashkan Eliasy; Haixia Zhang; Bernardo Teixeira Lopes; Riccardo Vinciguerra; Ahmed Elsheikh

Invest. Ophthalmol. Vis. Sci.. 2021; 62(8):2028.

ARVO Annual Meeting Abstract June 2021

A New Method to Describe Cone Shape in Keratoconic Corneas

Bernardo T Lopes; Ahmed Abass; Ashkan Eliasy; Haixia Zhang; Ahmed Elsheikh

Invest. Ophthalmol. Vis. Sci.. 2021; 62(8):2025.

ARVO Annual Meeting Abstract June 2021

Improved detection of corneal deformation asymmetries in keratoconus patients using multi-meridian deformation imaging

Judith S. Birkenfeld; Andrea Curatolo; Ashkan Eliasy; Eduardo Martinez-Enriquez; Alejandra Varea; Ana Gonzalez-Ramos; Ahmed Abass; Bernardo Teixeira Lopes; Jesus Merayo-Lloves; Ahmed Elsheikh; Susana Marcos

Invest. Ophthalmol. Vis. Sci.. 2021; 62(8):2031.

ARVO Annual Meeting Abstract June 2021

Evaluation of Stress-Strain Index (SSI2) in Healthy and Keratoconic corneas

Ashkan Eliasy; Bernardo Teixeira Lopes; Ahmed Abass; Riccardo Vinciguerra; Susana Marcos; Ahmed Elsheikh

Invest. Ophthalmol. Vis. Sci.. 2021; 62(8):777.

ARVO Annual Meeting Abstract June 2020

Investigation of the corneal frequency response to modulated sound excitation

Judith Sophie Birkenfeld; Andrea Curatolo; Andrew Nolan; Ryan McAuley; Ahmed Abass; Ashkan Eliasy; Martin Leahy; Ahmed Elsheikh; Susana Marcos

Invest. Ophthalmol. Vis. Sci.. 2020; 61(7):4717.

ARVO Annual Meeting Abstract June 2020

Detecting deformation asymmetries on multiple meridians in an ex vivo keratoconic eye model

Andrea Curatolo; Judith Sophie Birkenfeld; Eduardo Martinez-Enriquez; James Germann; Jesus Palaci; Daniel Pascual; Geethika Muralidharan; Ashkan Eliasy; Ahmed Abass; Jedrzej Solarski; Karol Karnowski; Maciej Wojtkowski; Ahmed Elsheikh; Susana Marcos

Invest. Ophthalmol. Vis. Sci.. 2020; 61(7):4723.

Articles December 2019

Efficacy and Safety of Transglutaminase-Induced Corneal Stiffening in Rabbits

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Yuan Wu; Wenjing Song; Yun Tang; Ahmed Elsheikh; Yingfeng Shao; Xiaoming Yan
TAGS: cornea, corneal collagen cross-linking, oryctolagus cuniculus, safety, transglutaminases, keratocytes, ultraviolet a radiation, endothelium
Trans. Vis. Sci. Tech.. 2019; 8(6):27. https://doi.org/10.1167/tvst.8.6.27

ARVO Annual Meeting Abstract July 2018

A subfibrillar deformation mechanism in corneal collagen that affords flexibility

James S Bell; Sally Hayes; Charles Whitford; Juan Sanchez-Weatherby; Olga Shebanova; Claudio Vergari; Peter Winlove; Nick Terrill; Thomas Sorensen; Ahmed Elsheikh; Keith M Meek

Invest. Ophthalmol. Vis. Sci.. 2018; 59(9):1415.

ARVO Annual Meeting Abstract September 2016

A New Stiffness Parameter in Air Puff Induced Corneal Deformation Analysis

Cynthia J Roberts; Ashraf M Mahmoud; Jeffrey Bons; Arif Hossain; Ahmed Elsheikh; Riccardo Vinciguerra; paolo vinciguerra; Renato Ambrosio

Invest. Ophthalmol. Vis. Sci.. 2016; 57(12):2390.

ARVO Annual Meeting Abstract June 2015

Clinical Evaluation of Correction Algorithm for Corvis ST Tonometry

Ahmed Elsheikh; Akram Joda; Riccardo Vinciguerra; Paolo Vinciguerra; Daniel Kook; Shervin Sefat; FangJun Bao

Invest. Ophthalmol. Vis. Sci.. 2015; 56(7 ):101.

ARVO Annual Meeting Abstract June 2015

Analysis of corneal biomechanics using ultra high-speed Scheimpflug imaging to distinguish normal from keratoconic patients

Riccardo Vinciguerra; Renato Ambròsio; Ahmed Elsheikh; Bernardo Lopes; Emanuela Morenghi; Simone Donati; Claudio Azzolini; Paolo Vinciguerra

Invest. Ophthalmol. Vis. Sci.. 2015; 56(7 ):1130.

ARVO Annual Meeting Abstract June 2015

The effect of anterior chamber pressure and corneal drying on corneal thickness in preparation for descemet stripping endothelial keratoplasty (DSAEK).

Bernhard Steger; Vito Romano; Sherif Hassaan; Mark Batterbury; Sajjad Ahmad; Colin E Willoughby; Ahmed Elsheikh; Jern Yee Chen; Stephen B Kaye

Invest. Ophthalmol. Vis. Sci.. 2015; 56(7 ):1568.

ARVO Annual Meeting Abstract June 2015

Design of peptide gels for bandage contact lenses

Rachel Williams; Andrew Gallagher; Ahmed Elsheikh; Don Wellings

Invest. Ophthalmol. Vis. Sci.. 2015; 56(7 ):6081.

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Comparing the Performance of Stress-Strain Index Versions 1 and 2 in Normal and Keratoconus Patients

Restoration of Corneal Stiffness in Rabbits Following Withdrawal of Travoprost

Early keratoconus detection using a diagnostic model that combines corneal shape and biomechanics parameters

In-vivo mapping of the localised corneal biomechanical deterioration associated with keratoconus progression

Use of Nanoindentation in Determination of Regional Biomechanical Properties of Rabbit Cornea After UVA Cross-Linking

Corneal Biomechanics After SMILE, Femtosecond-Assisted LASIK, and Photorefractive Keratectomy: A Matched Comparison Study

Corneal biomechanical parameters in healthy and early-stage keratoconus eyes from cross-meridian air-puff deformation OCT

Corneal Stress-Strain Index (SSI) Map

A New Method to Describe Cone Shape in Keratoconic Corneas

Improved detection of corneal deformation asymmetries in keratoconus patients using multi-meridian deformation imaging

Evaluation of Stress-Strain Index (SSI2) in Healthy and Keratoconic corneas

Investigation of the corneal frequency response to modulated sound excitation

Detecting deformation asymmetries on multiple meridians in an ex vivo keratoconic eye model

Efficacy and Safety of Transglutaminase-Induced Corneal Stiffening in Rabbits

A subfibrillar deformation mechanism in corneal collagen that affords flexibility

A New Stiffness Parameter in Air Puff Induced Corneal Deformation Analysis

Clinical Evaluation of Correction Algorithm for Corvis ST Tonometry

Analysis of corneal biomechanics using ultra high-speed Scheimpflug imaging to distinguish normal from keratoconic patients

The effect of anterior chamber pressure and corneal drying on corneal thickness in preparation for descemet stripping endothelial keratoplasty (DSAEK).

Design of peptide gels for bandage contact lenses

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