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Ultrasonic biometry of the optic nerve diameter
Orbit, 1986The results of the authors' echographic biometry of the optic nerve diameter agree with the different pathophysiological conditions. the method is especially helpful in diseases with secondary changes of the optic disc, such as swelling or atrophy. It gives special information through follow-up in neuritis or optic nerve compression.
Sadanao Tane, Jun Horikoshi
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Ray tracing in ellipsoidal reflectors for optical biometry of media
Applied Optics, 2017In this paper, an analytical basis of ray tracing for optical biometry of media by ellipsoidal reflectors was developed. A ray-tracing algorithm was created, which involves determining the point of interaction of the incident beam with the ellipsoidal reflector, calculating the direction of the reflected beam, and determining the intersection point of ...
M. A. Bezuglyi +2 more
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Acta Ophthalmologica
Ocular biometry is a diagnostic method in ophthalmology that uses various techniques to measure the different parts of the eye. It involves the use of instruments that can measure the axial length of the eye, corneal curvature, anterior chamber depth, and other parameters related to the eye's structure.
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Ocular biometry is a diagnostic method in ophthalmology that uses various techniques to measure the different parts of the eye. It involves the use of instruments that can measure the axial length of the eye, corneal curvature, anterior chamber depth, and other parameters related to the eye's structure.
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Journal of Cataract and Refractive Surgery, 2003
To compare measurements performed with the IOLMaster (Carl Zeiss, Meditec AG) with those obtained by applanation ultrasound (US) and manual keratometry and to evaluate the effect of operator experience on US biometry.Department of Ophthalmology, University of Vienna, Vienna, Austria.The axial length (696 eyes) and anterior chamber depth (ACD) (462 eyes)
Oliver, Findl +11 more
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To compare measurements performed with the IOLMaster (Carl Zeiss, Meditec AG) with those obtained by applanation ultrasound (US) and manual keratometry and to evaluate the effect of operator experience on US biometry.Department of Ophthalmology, University of Vienna, Vienna, Austria.The axial length (696 eyes) and anterior chamber depth (ACD) (462 eyes)
Oliver, Findl +11 more
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[Comparison between optical and acoustical biometry].
Journal francais d'ophtalmologie, 2005Our current standard biometric measurement was compared to IOL-Master measurement.One hundred sixty-two consecutive cataractous eyes were examined using the IOL-Master as well as the acoustic biometry combined with the Javal-Keratometer. In all eyes, the intraocular lens power to be implanted was chosen by means of the SRK/T formula, based on the ...
C P A, Gantenbein, K W, Ruprecht
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Celebrating 25 Years of Optical Biometry: A Milestone in Ophthalmology
Klinische Monatsblätter für AugenheilkundeAbstractOptical biometry has fundamentally transformed cataract surgery, and 2024 marked 25 years since the introduction of the first optical biometer. In the early 1980 s, Fercher and colleagues pioneered the optical noncontact eye length measurement, leading to the first interferometric A-scan of the eye. This innovation, patented and later developed
Sibylle Katharina Scholtz +2 more
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