Results 1 to 10 of about 26,868 (188)

Corneal Biomechanics in Ectatic Diseases: Refractive Surgery Implications. [PDF]

, 2017
BACKGROUND: Ectasia development occurs due to a chronic corneal biomechanical decompensation or weakness, resulting in stromal thinning and corneal protrusion. This leads to corneal steepening, increase in astigmatism, and irregularity.
Ahmed Elsheikh, Ali N.Q., Allan Luz, Ambrosio R., Ambrósio R Jr., Ambrósio R., Ambrósio R., Ambrósio R., Ambrósio R., Ambrósio R., Ambrósio R., Ambrósio R., Ambrósio R., Ambrósio R., Bak-Nielsen S., Bao F., Bao F., Belin M.W., Bernardo Lopes, Binder P.S., Broman A.T., Congdon N.G., Cynthia J. Roberts, Daniel G. Dawson, Dupps W.J., Dupps W.J., Faria-Correia F., Fernando Faria Correia, Fontes B.M., Fontes B.M., Fontes B.M., Fontes B.M., Fontes B.M., Galletti JD, Girard M.J., Goebels S., Gomes J.A., Hallahan K.M., Huang C., Ji C., Joda A.A., Joda A.A., Johnson R.D., Kerautret J., Kirwan C., Koprowski R., Kymionis G.D., Labiris G., Labiris G., Lopes B, Lopes B.T., Luce D.A., Luz A., Luz A., Luz A., Luz A., Maeda N., Marcella Q., Marcella Q. Salomão, McGhee C.N., Mikielewicz M., Paolo Vinciguerra, Peña-García P., Piñero D.P., Qazi M.A., Rabinowitz Y.S., Rabinowitz Y.S., Renato Ambrósio, Jr, Riccardo Vinciguerra, Roberts C.J., Roberts C.J., Roberts CJ., Saad A., Scarcelli G., Scarcelli G., Scarcelli G., Scarcelli G., Schoneveld P., Seiler T., Shah S., Shah S., Smadja D., Smedowski A., Steinberg J., Steinberg J., Tian L, Tian L., Tomita M., Valbon B.F., Vellara H.R., Ventura B.V., Vinciguerra R., Vinciguerra R., Wagner H., Wang L.K., Wilson S.E., Wolffsohn J.S., Ye C.   +97 more
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Corneal elevation and keratoconus indices in a 40- to 64-year-old population, Shahroud Eye Study

Journal of Current Ophthalmology, 2015
Purpose: To determine the corneal elevation values and keratoconus indices in the 40- to 64-year-old population and their changes with aging. Methods: The 6311 invitees of this study were selected through random cluster sampling, and 5190 of them ...
Hassan Hashemi, Asghar Beiranvand, Mehdi Khabazkhoob, Shiva Mehravaran, Mohammad Hassan Emamian, Abbasali Yekta, Mohammad Shariati, Akbar Fotouhi   +7 more
doaj   +1 more source

Epikeratoplasty for keratoconus

Korean Journal of Ophthalmology, 1991
The 6 eyes of 6 patients operated on using keratoconic epikeratoplasty are evaluated, and the mean 11-month postoperative results are reported. Uncorrected visual acuities improved in 4 patients and were maintained in 1 patient. One patient revealed a decrease of uncorrected visual acuity in the postoperative 6th month.
Jin Hak Lee, Woo Jung Kim
openaire   +3 more sources

Hypothyroidism is Not Associated with Keratoconus Disease: Analysis of 626 Subjects

Journal of Ophthalmology, 2019
Purpose. To analyze the association between hypothyroidism and keratoconus, we examined blood thyroid hormone levels and corneal tomographic parameters in healthy subjects and patients with keratoconus. Methods.
Zsuzsa Flaskó, Elena Zemova, Timo Eppig, László Módis, Achim Langenbucher, Stefan Wagenpfeil, Berthold Seitz, Nóra Szentmáry   +7 more
doaj   +1 more source

Keratoconus progression associated with hormone replacement therapy

American Journal of Ophthalmology Case Reports, 2019
Purpose: To report a postmenopausal patient with keratoconus who experienced significant progression after using hormone replacement therapy. Observations: A 51-year-old woman with previously stable keratoconus presented with acute disease progression ...
Giulia Coco, Ahmad Kheirkhah, William Foulsham, Reza Dana, Joseph B. Ciolino   +4 more
doaj   +1 more source

Comparative study of the corneal morphological characteristics of keratoconus evaluated using Pentacam, Sirius, and CASIA2

Photodiagnosis and Photodynamic Therapy
Purpose: To compare the corneal morphology measurements of keratoconus using Pentacam, Sirius, and CASIA2. Methods: Patients diagnosed with keratoconus at Fudan Eye and ENT Hospital (January to November, 2022) were included.
Bingqing Sun, Xiaojun Hu, Xiaoliao Peng, Weijung Ten, Yangyi Huang, Ling Sun, Xingtao Zhou, Xiaoyu Zhang   +7 more
doaj   +1 more source

Are iris mammillations correlated with keratoconus?

American Journal of Ophthalmology Case Reports, 2019
Purpose: To describe the presence of iris mammillations (IM) in keratoconus. Design: Retrospective case series and literature review. Observations: This is a retrospective case series of eight patients presenting with keratoconus and IM, who were ...
Rosalia M.S. Antunes-Foschini, Roberta Martins S. Costa, Sidney Júlio Faria-e-Sousa, Eduardo Melani Rocha   +3 more
doaj   +1 more source

Corneal collagen cross-linking for treating keratoconus. [PDF]

, 2015
BACKGROUND: Keratoconus is a condition of the eye that affects approximately 1 in 2000 people. The disease leads to a gradual increase in corneal curvature and decrease in visual acuity with consequent impact on quality of life.
Amissah-Arthur, Kwesi N, Bunce, Catey, Evans, Jennifer R, Hamada, Samer, Karim, Rushmia, McDonnell, Peter J, Patwary, Showrob, Sykakis, Evripidis   +7 more
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Tear biomarkers for keratoconus [PDF]

Eye and Vision, 2016
Keratoconus is a progressive corneal thinning, ectatic condition, which affects vision. Recent advances in corneal topography measurements has helped advance proper diagnosis of this condition and increased research and clinical interests in the disease etiopathogenesis.
Rudy M.M.A. Nuijts, Rohit Shetty, Natasha Pahuja, Arkasubhra Ghosh, Krishnatej Nishtala   +4 more
openaire   +4 more sources

Repeat penetrating corneal transplantation in patients with keratoconus [PDF]

, 2011
To determine factors influencing penetrating corneal graft survival in patients receiving repeat grafts in the same eye after a failed first graft for keratoconus, a large cohort study was conducted from a national register of corneal grafts, in which ...
Coster, Douglas John, Kelly, Thu-Lan, Williams, Keryn Anne   +2 more
core   +1 more source