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[The complex study of the iris in transformed light].

Complex investigations of the iris in a transformed light by methods of iridochromoscopy, iridochromophotography, examination in a polarized light, transillumination in red light and fluorescence angiography was conducted in 25 eyes of patients with open-angle glaucoma, 10 eyes of patients with anterior flaccid uveitis and in 23 healthy eyes (a control group). It was found that in patients with open-angle glaucoma and anterior flaccid uveitis trophic and vascular changes in the iris predominated, as compared with control. The most typical for open-angle glaucoma changes in the iris were atrophy of the stroma with predominant involvement of the pupillary zone, exogenic pigmentation of the pupillary and ciliary zones, destruction of the pigment margin of the pupil, thickening of the anterior border layer, pseudoexfoliation of the pupillary margin, defects in the posterior pigment layer, being more extensive in the pupillary zone, as well as disturbances in permeability of the iris in a combination with hypoperfusion and rare bundles of microneovascularization in the area of a lesser arterial circle and the ciliary zone. In case of flaccid uveitis, the most frequent changes were diffuse atrophy of the iris, efflorescence of the pupillary margin, destruction of the pigment rim of the pupil, multiple defects in the posterior pigment layer along its whole length, increased permeability of vessel, microneovascularization of the iris stroma in a form of a thin vascular network.