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Biomedical subjects

M U Hatt

Publications and source records attributed to M U Hatt.

4 recordsLinked to original sources
PubMed1979

Medial ectropion. A new technique.

Medial ectropion of the lower lid responds poorly to standard ectropion procedures. This region contains the initial parts of the nasolacrimal excretory system, which must be functionally reestablished. A new surgical approach to medial ectropion consists of a Z-plasty transposition skin flap from the upper to the lower lid, a plication of the lower crus of the medial canthal tendon, and a punctoplasty. The posterior and superior contraction forces in the transposition flap enhance and maintain the result. Seven lids have been successfully operated on with this technique from the functional and cosmetic point of view.

Aged↗
PubMed1979

The use of thymoxamine in eyelid retraction.

We observed substantial narrowing in 75% of fissures in patients with various types of lid retraction after topical application of aqueous 0.5% thymoxamine (moxisylyte). Even contralateral normal-appearing fissures in thyroid patients responded in this manner. The nonresponders in the lid retraction group included a patient with an orbital pseudotumor and patients with long-standing and stable euthyroid eye disease. No normal subjects' fissures responded greatly to thymoxamine. A substantial reduction in palpebral fissures was seen in all patients with thick extraocular muscles and in 14 of 18 (78%) of all fissures of thyroid patients; the average response was 2.3 mm. This effect may last for five hours after thymoxamine administration. Thymoxamine may be of use as a diagnostic test for thyroid eye disease, and if it can be modified to cause less ocular irritation, it may be beneficial in the medical treatment of eyelid retraction.

Adult↗