Results 181 to 190 of about 5,368 (222)

Effect of panretinal photocoagulation on confocal laser scanning ophthalmoscopy and stereo photographic parameters of the optic disc topography in diabetic retinopathy patients

, 2018
Breno Azevedo, Rafael Barbosa de Araújo, Marina R. Ciongoli, Leonardo Provetti Cunha, Rony Carlos Preti, Marcelo Hatanaka, Leandro Cabral Zacharias, Mário Luiz Ribeiro Monteiro   +7 more
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Laser-tissue interaction and artifacts in confocal scanning laser ophthalmoscopy and tomography

Neuroscience and Biobehavioral Reviews, 1993
The goal of the present study was to analyze the interaction between incident laser light and retinal tissue in confocal scanning laser ophthalmoscopy and tomography. We examined the change in axial intensity distribution during evaluation of the retinal surface topography in macular and optic nerve head evaluation in normal volunteers and patients ...
D U, Bartsch, W R, Freeman
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Correlation between Confocal Scanning Laser Ophthalmoscopy and Scanning Laser Polarimetry in Open Angle Glaucoma

European Journal of Ophthalmology, 2003
Purpose To correlate the findings of confocal scanning laser ophthalmoscopy and scanning laser polarimetry in diagnosed cases of glaucoma with established visual field defects. Methods A total of 53 diagnosed cases of primary open angle glaucoma that had at least two recorded of IOP more than 21 mm Hg on Goldmann applanation tonometry, open angles on ...
Ramanjit Sihota
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Scanning Laser Ophthalmoscopy

Ophthalmology, 1982
Martin A Mainster
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Atlas of laser scanning ophthalmoscopy

American Journal of Ophthalmology, 2004
1 Introduction.- 1.1 Why Is Laser Scanning Ophthalmoscopy Needed?.- 1.2 Technical Background.- 1.3 Stereometric Parameters of the HRT.- 2 Healthy Optic Discs.- 2.1 Natural Variety of Optic Discs.- 2.2 Regular Shapes.- 2.3 Micropapillas.- 2.4 Megalopapillas.- 2.5 Tilted Discs.- 3 Glaucomas.- 3.1 Automated Classification Procedures.- 3.2 Moderate ...
Alexander F. Scheuerle, Eckart Schmidt
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Differential imaging in scanning laser ophthalmoscopy

International Ophthalmology, 2001
Differential imaging may be useful for understanding pathologies of the choroid. We use a prototype scanning laser ophthalmoscope capable of simultaneous multiple wavelength imaging to record fundus images. The advantages of simultaneous acquisition compared to serial acquisition are, reduced image capture times, and image registration is not required.
R A, Ashman, F, Reinholz, R H, Eikelboom
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Scanning laser ophthalmoscopy in an elderly Indian population

Ophthalmic Epidemiology, 2018
To study optic nerve head (ONH) characteristics using scanning laser ophthalmoscopy, Heidelberg retina tomograph (HRT), in an elderly population.A population-based, cross-sectional study included 1460 eyes of 1460 consecutive, subjects >60 years, in North India. All subjects underwent a detailed ophthalmic evaluation and imaged on HRT.
Geetha, Srinivasan, Gudlavalleti Venkata Satyanarayana, Murthy, Shalini, Mohan, Kalaivani, Mani, Praveen, Vashist, Nina, John, Viney, Gupta, Ramanjit, Sihota   +7 more
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Confocal Scanning Laser Ophthalmoscopy and Glaucoma

2020
Heidelberg retina tomograph (HRT) has been designed to image the optic nerve head, retinal nerve fiber layer, and posterior pole. This technology uses Moorfields regression analysis and glaucoma probability scores to detect glaucoma. It also helps clinicians monitor disease using topographic change analysis and stereometric trend analysis.
Sasan Moghimi, Mona SafiZadeh, Jiun Do, Robert N. Weinreb   +3 more
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MEMS-based adaptive optics scanning laser ophthalmoscopy

Optics Letters, 2006
We have developed a compact, robust adaptive optics (AO) scanning laser ophthalmoscope using a microelectromechanical (MEMS) deformable mirror (DM). Facilitated with a Shack-Hartmann wavefront sensor, the MEMS-DM-based AO operates a closed-loop modal wave aberration correction for the human eye and reduces wave aberrations in most eyes to below 0.1 ...
Yuhua, Zhang, Siddharth, Poonja, Austin, Roorda   +2 more
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Confocal Scanning Laser Ophthalmoscopy

2016
The Heidelberg retina tomograph (HRT) is a confocal laser scanning system designed to acquire and analyse three-dimensional images of the posterior segment of the eye. The topography is presented as a colour-coded map, with darker colours representing more superficial structures and lighter colours representing deeper structures. Clinical evaluation of
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