Results 11 to 20 of about 1,450,826 (291)

Goldmann tonometry tear film error and partial correction with a shaped applanation surface [PDF]

Clinical Ophthalmology, 2018
Sean J McCafferty,1–4 Eniko T Enikov,5 Jim Schwiegerling,2,3 Sean M Ashley1,3 1Intuor Technologies, 2Department of Ophthalmology, University of Arizona College of Medicine, 3University of Arizona College of Optical Science, 4Arizona Eye ...
McCafferty SJ, Enikov ET, Schwiegerling J, Ashley SM   +3 more
doaj   +3 more sources

Application of texture analysis in tear film surface assessment based on videokeratoscopy [PDF]

Journal of Optometry, 2013
Purpose: Videokeratoscopy images can be used for the non-invasive assessment of the tear film. In this work the applicability of an image processing technique, textural-analysis, for the assessment of the tear film in Placido disc images has been ...
David Alonso-Caneiro, Dorota H. Szczesna-Iskander, D. Robert Iskander, Scott A. Read, Michael J. Collins   +4 more
doaj   +2 more sources

Dry eye syndrome - vicious circle mechanism of disease

Journal of Education, Health and Sport, 2023
The correct structure of the tear film ensures the appropriate degree of hydration of the eye surface, and has a protective and nourishing function. Irregularities in the structure of one of the three layers of the tear film can contribute to dry eye ...
Ewelina Dybała, Izabela Dybała-Przygrodzka, Artur Aghadi, Iwona Cuber, Edyta Białowąs, Magdalena Mazurek   +5 more
doaj   +1 more source

Conjunctival Impression Cytology and Tear Film Changes in Sarcoidosis: A Subjective and Objective Diagnosis Study [PDF]

, 2023
Objectives:To evaluate sarcoidosis-induced tear film changes using subjective and objective diagnostic tests, particularly conjunctival impression cytology (IC), and to compare the results with healthy individuals.Materials and Methods:This study ...
Ayşe Yeşim Oral, Müberra Akdoğan, Aydın Balcı, Neriman Efe, Hamidu Hamisi Gobeka, Özgür Eroğul, Mustafa Doğan, Çiğdem Özdemir, Sinan Saraçlı, Murat Kaşıkçı   +9 more
core   +1 more source

Parameter identification for tear film thinning and breakup

, 2021
Braun, Richard J.Studying and modeling the mechanisms that affect the tear film and may cause tear film breakup can lead to better understanding of dry eye disease.
Luke, Rayanne A.
core   +1 more source

Alterations in the ocular surface and tear film following keratoplasty

Scientific Reports, 2022
The purpose of this study was to evaluate any alterations in the tear film and ocular surface beyond the early postoperative period following penetrating keratoplasty (PK) and deep anterior lamellar keratoplasty (DALK).
Jay J. Meyer, Akilesh Gokul, Michael T. M. Wang, Justin Sung, Jennifer P. Craig   +4 more
doaj   +1 more source

Tear matrix metalloproteinase-9 levels may help to follow a ocular surface injury in lagophthalmic eyes.

PLoS ONE, 2022
The preocular tear film is critically important for maintaining healthy ocular surface. In lagophthalmos, increased evaporation and tear film instability can occur.
Marcela Minaříková, Zdeněk Fík, Josef Štorm, Kateřina Helisová, Květoslava Ferrová, Gabriela Mahelková   +5 more
doaj   +2 more sources

A Controlled Study on the Correlation between Tear Film Volume and Tear Film Stability in Diabetic Patients

Journal of Ophthalmology, 2016
Purpose. To assess the tear film quantity and correlate it with the quality and stability of the tear film in diabetics and compare them to age matched controls. Introduction. Diabetes affects tear film parameters in multiple ways. Poor metabolic control
Iman M. Eissa, Noha M. Khalil, Heba A. El-Gendy   +2 more
doaj   +1 more source

Evaluation of different treatment modalities on the efficacy of hydroxypropyl Guar (HP-Guar) formulation on tear film stability (TFS) in subjects exposed to adverse environmental conditions

BMC Ophthalmology, 2023
The study aimed to assess the efficacy of hydroxypropyl guar (HP) formulation (Systane) to protect tear film parameters under desiccating environment using protection and relief treatment modalities.
Ali Abusharha, Ian E. Pearce, Tayyaba Afsar, Ali Alsaqr, Raied Fagehi, Suhail Razak   +5 more
doaj   +1 more source

The Effect of Prolactinoma on Tear Film Function

, 2022
Objectives:To compare dry eye parameters in prolactinoma patients and healthy controls and evaluate their correlation with prolactin (PRL) levels and the duration of hyperprolactinemia.Materials and Methods:Consecutive patients with prolactinoma and ...
Cezmi Doğan, Özer Açbay, Burak Mergen, Güzin İskeleli, Ümit Yaşar Güleser, Oğuzhan Kılıçarslan   +5 more
core   +1 more source