The slit lamp as videography console : Video article

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
M-M Gellrich

Abstract

Today's slit lamps have been optimized to realise the principle of focal illumination. When doing clinical work the result is that the slit lamp can be operated simply by using intuition; however, other applications are excluded due to the rigid construction principle. These other applications are summarized in the accompanying film (available online). First, the slit lamp's classical fields of application are shown. Thereafter, a description follows of how modern methods of image processing and also simple alterations in the slit lamp illumination and observation optics open up exciting new perspectives for diagnostics and documentation. By relying on the freely available image processing program Hugin, conventional use of the illumination and observation units can generate much larger panoramic views of the anterior parts of the eye. By using an ophthalmoscope as the light source, early stage keratoconus can be diagnosed by leaving the slit lamp's observation unit unchanged and noting the arrangement of Purkinje images 1, 2 and 4. With the same arrangement a relative afferent pupil deficit can be reliably detected. If the observation optics are changed by holding a corrective concave lens in front of the slit lamp's objective...Continue Reading

References

Oct 1, 1953·The British Journal of Ophthalmology·G EL-BAYADI
Dec 1, 1950·American Journal of Ophthalmology·H LITTMANN
Jan 29, 2009·The British Journal of Ophthalmology·M-M Gellrich
Dec 15, 2011·Klinische Monatsblätter für Augenheilkunde·M-M Gellrich
Oct 5, 2013·Strabismus·Marcus-Matthias Gellrich
Apr 29, 2015·SpringerPlus·Marcus-Matthias Gellrich
Feb 18, 2016·International Ophthalmology·Marcus-Matthias Gellrich
Aug 26, 2016·Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·M-M Gellrich, C Kandzia

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Citations

Nov 10, 2018·Acta Ophthalmologica·Marcus-Matthias Gellrich
May 18, 2020·Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·Marcus-Matthias Gellrich, Karsten Hufendiek

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