[Tear-sac concretions (author's transl)].

Report is given on three cases of dacryolithiasis. All cases were demonstrated by dacryocystography. Two dacryoliths were obtained at operation, another one by spontaneous passage through the nose.

[The mirror as a fixation aid for the fundus camera (author's transl)].

A supplementary mirror is described for the fundus camera easily permitting correct adjusting of the central and temporal regions of the ocular fundus.

Radionuclide dacryography in clinical practice and research (author's transl).

Radionuclide dacryography (RND) has the following indications: 1. Localisation of obstructions in the lacrimal drainage system. 2.

[A comport instrument for infrared examination of the eye (author's transl)].

A description is given of a comport infrared viewer recommended for clinical use in Ophthalmology. With this infrared viewer, an infrared slit lamp for advanced infrared diagnosis was developed.

[Dacryocystography. 2. Results of 125 studies].

Results and X-ray findings of 125 dacryocystographies are discussed. Type II obstruction is the commonest pathological finding, Type I is caused often by a trauma. DCG gives a good morphological picture of tear drainage system and represents a very important method for planning surgical therapy.