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Biomedical subjects

E Landolt

Publications and source records attributed to E Landolt.

At least 19 recordsLinked to original sources

A contribution to the histological and topographical anatomy of the aponeurosis of the levator palpebrae superioris and of the tarsal muscle in the normal lid and in blepharoptosis.

Eight normal upper lids were examinated histologically with special regard to the aponeurosis of the levator and of the tarsal muscle (Müller's). The aponeurosis originates from the levator muscle within the orbit (behind the septum orbitale) and inserts at the upper anterior surface of the tarsal plate. The tarsal muscle originates from the levator muscle and inserts at the upper tarsal border. It is a smooth muscle containing many small blood vessels. Fifty-six specimens of tissue resected in operations for blepharoptosis were examined histologically. They consist of parts of the tarsal muscle and of the aponeurosis of the levator and of fat tissue without pathological changes.

Adolescent

[Incomplete central vein occlusion. A clinicopathologic case report].

A 71-year-old patient died 4 weeks after the occurrence of incomplete occlusion of the central retinal vein. Histology of the two bulbi was compared with the photographic and fluorescenceangiographic findings of the fundus. Histologic evaluation showed that the occlusion had been caused by a thickening of the vein wall due to proliferation of fibrocytes and histiocytes just behind the lamina cribrosa. There were no signs of phlebitis or thrombosis.

Aged

[An epidemic of pseudomonas keratitis due to permanent-wear contact lenses (author's transl)].

In 1977 thirty-three patients (35 eyes) with permanent-wear contact lenses presented with keratitis in varying degrees of severity. Among the nine cases investigated bacteriologically (including some contact lenses) three showed no organisms, while six were found to have pseudomonas aeruginosa. The contact lenses all came from the same optician, where shortly beforehand the patients had had their lenses either replaced or checked. The inspection of the optical establishment revealed faultless application of steril technique. Nevertheless it must be assumed that contamination of the lenses had had occurred there.

Adult

[Dyskeratosis of the corneal epithelium (author's transl)].

Three patients presented an unilateral whitish cloudiness of the corneal epithelium which reduced the vision considerably. In two cases, radiotherapy was carried out previously (because of pterygium and because of teleangiectasia of the conjunctiva). In the eye of one patient, a superficial corneal lesion developed during general anesthesia. The corneal epithelium was scraped off in all cases, but the opacities reappeared. Histologically, the epithelium showed dyskeratosis with signs of malignancy. --7 illustrations (3 sketches of the corneas, 4 histological photographs).

Adult