Results 111 to 120 of about 2,262 (162)

Corneal Structural Alterations Under Chronic Hyperglycemia: Biomechanical and Densitometric Insights in Type 2 Diabetes with and Without Retinopathy. [PDF]

Beyoglu Eye J
Aydin FO, Akbas YB, Ceylan A, Ermis S, Afsin BA, Yildiz BK.   +5 more
europepmc   +1 more source

Agreement and potential for arithmetic adjustment of anterior segment measurements across IOLMaster 700, Pentacam HR, and Sirius. [PDF]

Sci Rep
Doostparast A, Semnani F, Ghandhari M, Ghandhari M, Khosronejad AH, Ahmadi A, Eslampoor A.   +6 more
europepmc   +1 more source

Interdevice Agreement of Keratometry, Astigmatism Vectors, and Ocular Biometry in Cataract Candidates: SS-OCT (Argos) vs. OLCI (Aladdin) vs. Scheimpflug-Placido (Sirius). [PDF]

Bioengineering (Basel)
Al Barri L, Yasar II, Mercea N, Tudor A, Stanca HT, Roșca C, Munteanu M.   +6 more
europepmc   +1 more source

Corneal Cross-Linking Induces Increased Corneal Refractive Index, Which Generates Measurement Error of Central Corneal Thickness. [PDF]

Ophthalmol Sci
Roberts CJ, DeGroff A, Nuñez FM, Hendershot AJ, Yuhas PT.   +4 more
europepmc   +1 more source

Corneal Biomechanics Before and After Descemet Membrane Endothelial Keratoplasty in Patients with Fuchs Endothelial Corneal Dystrophy. [PDF]

Clin Ophthalmol
Reinprayoon U, Yaisawang S, Israsena N, Uthaithammarat L, Kasetsuwan N.   +4 more
europepmc   +1 more source

A Novel Method for Analysing the Curvature of the Anterior Lens: Multi-Radial Scheimpflug Imaging and Custom Conic Fitting Algorithm. [PDF]

J Imaging
Arcas-Carbonell M, Orduna-Hospital E, Mechó-García M, Fernández-Espinosa G, Sanchez-Cano A.   +4 more
europepmc   +1 more source

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The use of infrared thermal imaging in tonometry with a Scheimpflug camera

Journal of Thermal Biology, 2021
Infrared thermal imaging is currently used in almost every field of medicine. This paper presents the novel use of thermography in ophthalmology - using a thermal camera to assess correct intraocular pressure measurement depending on the position of the patient's head during non-contact tonometry.
Magdalena Jędzierowska, Robert Koprowski, Sławomir Wilczynski   +2 more
exaly   +3 more sources

Generic Scheimpflug camera model and its calibration

2015 IEEE International Conference on Robotics and Biomimetics (ROBIO), 2015
The Scheimpflug condition is performed by tilting the lens such that the object plane, the lens plane and the image plane intersect in a common line. In this paper, two parameters are added to express the homography of the perpendicular plane and the tilted plane. Its decomposition is integrated into the generic Scheimpflug camera model.
Xu Zhang, Tao Zhou
exaly   +2 more sources

A new method for Scheimpflug camera calibration

2011 10th International Workshop on Electronics, Control, Measurement and Signals, 2011
An easy way to achieve higher depth of field in a camera-laser configuration is to tilt the image sensor respect to the lens plane, such that the image plane, laser plane and the lens plane intersect in a unique line (Scheimpflug condition [1]). If something has to be measured with this kind of cameras, a proper camera calibration must be done.
Alberto Izaguirre, Aitzol Iturrospe
exaly   +2 more sources