[Oscillatory potentials in the diagnosis of glaucoma optic neuropathy].

This study proposes new, original methods for diagnosis of glaucoma optic neuropathy--oscillatory potentials (OP) in an electroretinogram (ERG) to a long-term stimulus and in the 30 Hz flicker ERG (with identification of OP at frequencies of 80 to 120 Hz). Twenty-three patients (46 years) aged 40 to 65 years with primary open-angle glaucoma were examined. OP in the 30 Hz flicker ERG (01 and 02) and that in the ERG ON-response to a long-term stimulus have a similar origin and are linked with the light ON-channels of the retinal cone system.

[Loal and multifocal electroretinography in the diagnosis of diabetic retinopathy].

The paper gives the results of electroretinography (ERG) in 38 patients (73 eyes) with type 2 diabetes mellitus at different stages of diabetic retinopathy (including in diabetic macular edema). The reductions in the macular ERG (M-ERG) amplitude parameters and in the retinal density of bioelectrical activity and the decreased amplitude and longer latency of multifocal ERG (mfERG) N1 and P1 components evidence the involvement of the retinal macular region into the pathological process and the magnitude of these changes depends on the presence of imaged macular edema. Despite the certain limitations of mfERG, assessment of the topography of retinal bioelectrical activity in the central field of vision is an important supplement to M-ERG results and may be a prognostic criterion for the development of a pathological process and its extent.

[Optimization of a recording procedure of a multifocal electroretinogram].

The paper presents a procedure and conditions for recording multifocal electroretinogram (mfERG), its origin, and factors influencing small-signal ERG. The optimal conditions of ERG extraction using the existing method are appraised and indications for its use in ophthalmological care defined. The results of comparing the new types of electrodes developed in Russia for ERG recording and a DTL electrode included in the ISCEV guidelines are presented.

[Optic neuropathy in children and adolescents with postuveal glaucoma].

Postuveal glaucoma is a severe complication of uveitis and frequently an indirect cause of severe visual acuity disturbance. Early diagnosis and determination of the efficiency of drug therapy and indications for surgical treatment require that the presence and progression of optic neuropathy should be evaluated. Examining the topography of color and contrast sensitivity and the central visual field in patients with postuveal glaucoma and peripheral uveitis has ascertained that progression of a glaucomatous process causes a reduction in the function of dark canals and green cones with the subsequent involvement of the retinal light canals in a pathological process.

Long-term application of computer-based pleoptics in home therapy: selected results of a prospective multicenter study.

Introduction: The paper presents selected results of a prospective multicenter study. The reported study was aimed at the evaluation of a software-based stimulation method of computer training applied in addition to occlusion as a complementary treatment for therapy-resistant cases of amblyopia. The stimulus was a drifting sinusoidal grating of a spatial frequency of 0.