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Related Experiment Videos

[Papilledema. Follow-up using laser scanning tomography].

K Rohrschneider1, R O Burk, H E Völcker

  • 1Universitäts-Augenklinik, Heidelberg, Bundesrepublik Deutschland.

Fortschritte Der Ophthalmologie : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft
|January 1, 1990
PubMed
Summary

Laser scanning tomography (LST) precisely measured optic disc swelling in a papillitis case, quantifying elevation and volume changes over time. This advanced imaging offers accurate in vivo analysis of intraocular structures.

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Area of Science:

  • Ophthalmology
  • Medical Imaging

Background:

  • Ophthalmoscopy is the standard method for measuring optic disc swelling.
  • Laser scanning tomography (LST) provides high-accuracy, in vivo, three-dimensional analysis of intraocular structures.

Observation:

  • A case of papillitis was studied using LST.
  • Initial measurements showed an optic disc elevation of 550 microns and a volume of 1.48 mm3.
  • After 11 days, elevation increased to 870 microns and volume to 1.72 mm3, with clinical swelling progressing from 1 D to 2 D.

Findings:

  • LST accurately quantified the dynamic changes in optic disc elevation and volume during papillitis.
  • Six weeks post-papillitis, LST revealed residual elevation of 190 microns (0.22 mm3) with temporal pallor observed clinically.

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Implications:

  • LST offers a more precise method for quantifying optic disc swelling compared to traditional ophthalmoscopy.
  • This technology can aid in monitoring disease progression and treatment response in conditions like papillitis.