Biomedical subjects
Publications and source records attributed to I Stefăniu.
The paper presents some factors which influence the dioptric power calculation of IOL. The biometry was done at 5417 patients with cataracts. The results show that is possible to obtain a postoperative correction between +/- 1 D if all the measurements are well done and the surgeon has an impeccable technique.
The paper presents the ocular clinical manifestations and its immunopathology in the main rheumatic diseases. The study shows that the most frequent ocular involvement in ankylosing spondylitis is anterior uveitis and HLA-B27 + uveitis are more severe, with a longer evolution and more frequent complications.
One of the most important complication in the cataract surgery is the uveitis of the IOL ("toxic lens syndrome"). There are shown the main factors related to the artificial lens, viscoelastic materials and sutures, which may provoke inflammatory reactions. The symptoms may appear early after the operation or later. Concerning those things there is presented a study achieved in the University Clinic of Ophthalmology of the Central Military Hospital.
Some problems of the regional anesthesia are discussed in the first part of the paper: the kind and the length of the needles, the anesthetic substances used, the retrobulbar and parabulbar technique, the complications. In the second part of the paper the effects of the drugs used in general anesthesia on the intraocular pressure and the possibilities of preventing and treating the oculocardiac reflex are show.
The paper presents a rare clinical association: the persistence of the pupillary membrane (the Wachendorf's membrane). Bourneville's disease and retinitis pigmentosa, all the diseases with a known genetical implication. The clinical form of Bourneville's disease, only with ocular lesions, is a peculiarity of this case it's known that generally the first clinical manifestation is neurological or dermatological.