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The paper in devoted to a rare condition difficult to diagnose, intraocular lymphoma. Five patients with a disease history of 2 to 6 years were examined. The authors describe clinical features of the condition and histologic and electron microscopic findings. The clinical pattern of malignant intraocular lymphoma in polymorphous, therefore virtually every case with a sluggish uveitis or posterior scleritis resistant to common therapy has to be verified. A hematologist should take part in examination of such patients. Since the involvement is local, as our findings evidence, a course of polychemotherapy is necessary for such patients.

The paper concerns the studies into astigmatism development after penetrating wounds of the cornea depending on subjective and objective surgical factors. The attempt is made to design a set of measures aimed at the prevention of refractive complications upon the treatment of penetrating wounds of the cornea.

Gliomas of the optic nerve are more often in childhood and adolescence. The present paper analyzes the clinical features and diagnosis of optic nerve gliomas in 41 adult patients aged 15 to 56. Comparative analysis of the clinical picture and diagnostic specificities in optic nerve gliomas in adults and children has revealed a longer duration of the disease, less manifest exophthalmos and dilatation of the optic canal on the side of the tumor in adults. Analysis of computerized tomography data has prompted singling out 2 types of optic nerve glioma images: (1) spindle-shaped dilatation of the optic nerve in the orbit and (2) even thickening of the optic nerve along its whole length in the orbit. Each of these glioma tomographic images is associated with specific clinical features. Differential diagnosis between optic nerve gliomas and meningiomas in adults in described.