Szemészet, 1975 (112. évfolyam, 1-3. szám)

1975 / 3. szám

vascularized leucoma in the right eye (Fig. 2). The left eye was absent (enucleated because of trauma in 1944). Leucoma was formed due to chemical burn with a chemical pencil in 1953. Three operations of total lamellar keratoplasty were performed in the right eye, but each time the graft opacified. In 1971, cataract extraction was made as a preparative operation for alloplasty. In May 26, 1972, alloplasty of the cornea was performed. Visual acuity before operation was light perception with correct projection, and after operation — 0.8. Vision and good fixation of the implant are maintained till the present time.

Patient D., aged 55 years, received a severe chemical burn of the eye with sulfuric acid in 1968, which led to total cicatrization of leucoma and total Symblepharon of eyelids in both eyes (Fig. 3). In 1971 and 1972, at the Institute, astaged removal of Symblepharon was performed in the right eye, using a method of academician N. A. Puchkovskaya, and other plastic operations for reconstruction of eyelids and fornices of the eyeball. Examination before alloplasty revealed visual acuity in both eyes to be light perception with incorrect projection; visual field could not be examined, but roentgen-phenomenon showed the presence of form vision. Ultrasonic echography revealed thickening of the cornea, undifferentiated anterior chamber, absence of the lens, no pathologic changes in the vitreous body and posterior segment of the eye.

Fig. 3. a) A photo of the eye of patient D. b) after surgical repair of Symblepharon, c) after

alloplasty of the cornea

In January 13, 1973, keratoprosthesing of the right eye was made. Visual acuity after operation became 0.06. Subsequently, repeated courses of tissue therapy after the method of academician V. P. Filatov were performed. On examination, in February 28, 1975, fixation of the implant remained good visual acuity was 0.3.

So, our experimental studies and clinical experiences demonstrate that keratoprosthesing makes it possible to restore lost vision in the most of eyes with leucomas which are not indicated to optical transplantation of the cornea.

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