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K. E. SCHIRMER, MD

Arch Ophthalmol. 1964;71(4):475-480.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Transillumination for fundus examination was described in the past by Hagedorn,¹ Weve,² and Goldmann.³ It was not entirely satisfactory because of the redness of the image in which details of the fundus were difficult to discern. The method was therefore abandoned in favor of illumination through the pupil with the ophthalmoscope. Goldmann,³ Bangerter,⁴ and others still use transillumination for scleral localization of retinal breaks and Schepens⁷ for locating larger blood vessels to avoid puncture and hemorrhage.

During examination of the fundus for the measurement of choroidal thickness⁵ using filtered transillumination, details were observed that could not be seen with white light which rendered the fundus almost homogeneously red. As organic substances and biologic structures have individual maxima of light transmission and absorption, different filters must of necessity reveal or obscure specific details. Transillumination with filtered light was therefore investigated.

Method

A transilluminator (Fig . . . [Full Text PDF of this Article]

Author Affiliations
Montreal

From the departments of ophthalmology, St. Mary's Hospital and Queen Mary Veterans' Hospital.

Footnotes
Submitted for publication Aug 14, 1963.

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