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f its use in patients with dry AMD.Preservative-free fixed combination of 0.0015% Tafluprost and 0.5% Timolol (PF tafluprost/timolol FC) has demonstrated good antihypertensive effect and patient tolerance in randomized controlled clinical trials.
To evaluate efficacy, tolerability, and safety of PF tafluprost/timolol FC in patients with primary open-angle glaucoma (POAG) and ocular hypertension (OH) who couldn't tolerate or gave insufficient response to topical beta-adrenoblockers or prostaglandin analogue monotherapy.
The prospective multicenter European VISIONARY study (EUPAS22204) included 87 patients from 7 ophthalmological centers in Russia with mean age of 63.9±11.8. Primary endpoint was mean IOP change at month 6. The patients were monitored for changes in in the severity of ocular signs and symptoms.
Statistically significant (
<0.0001) reduction of mean IOP from baseline was seen at all study visits 7.3±5.17 mmHg at week 4, 7.4±5.40 mmHg at week 12, and 7.1±5.10 mmHg at month 6. By month 6, IOP has decreased by 20; 25; 30 andoblockers or a prostaglandin analogue. The highest IOP reduction was seen at week 4 and was maintained over the 6-month study period. There was also a decrease in the severity of symptoms of ocular surface condition.Rhegmatogenous retinal detachment (RRD) is one of the most severe eye diseases typically occurring in people of working age. The annual rates of primary vision disability in patients with RRD is 2-9%.
To increase the functional effectiveness of endovitreal surgery in patients with RRD by including Cytoflavin in the system of postoperative rehabilitation.
The study involved 68 patients with RRD aged 37 to 65 years. Patients underwent vitrectomy using the 25 Gauge technology with endolaser coagulation of rupture zones and silicone oil tamponade in the vitreous cavity. Three months after the surgery, silicone oil was removed from the vitreous cavity. Patients were divided into 2 groups the main - 34 people who received Cytoflavin in addition to standard therapy, and the control - 34 people receiving only standard postoperative treatment. The time course of the treatment's functional effectiveness was analyzed using best corrected visual acuity (BCVA) and macular photosensitivity. Laser Doppler flowmetry (LDF)urgery of RRD led to improvement of BCVA by an average of 2.6 times and photosensitivity of the macula by 2 times. The visual functions of patients improved after using Cytoflavin due to its positive effect on chorioretinal microcirculation and the density of macular capillary plexuses.
To assess the progression of primary open-angle glaucoma (POAG) and to study the role of retinal microcirculation in its progression.
In this 2-year prospective study, the rate of POAG progression was determined using perimetry (ROP1) and spectral domain optical coherence tomography (SD-OCT) by thinning of retinal nerve fiber layer (RNFL) (ROP2) and ganglion cell complex (GCC) (ROP3). The vessel density of parafoveal superficial plexus (VD parafovea) and peripapillary retina (VD ppr) was assessed using OCT angiography, peripheral resistance index (RI), and blood flow velocity in the posterior short ciliary arteries (PSCA) and central retinal artery (CRA) with the use of color Doppler mapping. The predictive properties of each parameter were calculated using the area under receiver operating curve (AUC).
Progression was detected in 9.8% cases by perimetry and in 19.7% cases by OCT. The combination of these two methods increased the detection up to 32.8%. Circulatory parameters - VD parafovea (AUC 0.70±0.07), VD ppr (0.715±0.07), PSCA RI (0.801±0.12), CRA RI (0.798±0.11) - had similar high predictive properties as IOP max (0.79±0.05), corneal hysteresis (0.755±0.07), thickness of inner parafoveal layers (0.728±0.07) and RNFL (0.692±0.06). The study revealed the following correlations ROP1 with maximum IOP (
=0.01), ROP2 with blood flow velocity in PSCA (
=0.01), VD parafovea with corneal hysteresis (
=0.01), and GCC thickness with ocular perfusion pressure (
=0.01).
The obtained data demonstrates the importance of combining perimetry with OCT for detecting the progression of glaucoma and indicates its relationship with reduced ocular hemoperfusion.
The obtained data demonstrates the importance of combining perimetry with OCT for detecting the progression of glaucoma and indicates its relationship with reduced ocular hemoperfusion.
To evaluate the possibility of using the system "Neuro-ERG" (with a module for multifocal ERG) in the study of focal and diffuse pathology in laboratory animals (rabbits).
Focal retinal damage was modelled in 5 eyes of 5 rabbits by singular laser pulses (532 nm, 100 ms, power 30, 60, 100, 150 and 200 mW) and diffuse retinal damage was modelled in 5 eyes of 5 rabbits by exposure to polychromatic light for 14 days (9500 lm, 6400 K, 230 mW/cm2, 8 h/day). selleck kinase inhibitor The pair of eyes and areas of intact retina in the eyes with focal retinal damage were used for control. Multifocal electroretinography (mfERG) was recorded using the «Neuro-ERG» system (Neurosoft, Russia) before exposure, after 1 hour (in focal damage model), and 1, 7 and 14 days after exposure. In addition, three-time recording of mfERG was made before and after the experiments. Analysis included the amplitude and time characteristics of mfERG components, as well as the level of reproducibility of mfERG at each recording.
In the modeling of focal damage tal studies of vitreoretinal pathology with rabbits as biological objects.
To analyze neuro-ophthalmology symptoms in patients with germinomas located in pineal and suprasellar regions.
The study analyzed 133 patients with germinoma who were receiving treatment in Burdenko Neuro-surgical Institute from 2008 to 2017. Assessment of results was performed by neuro-ophthalmology examination, a computerized oculograph was used for the objectification of the severity of ocular-motor and pupillary disorders.
Among the patients of the study, 65 had pineal germinoma, 42 - suprasellar germinoma and 26 - bifocal germinoma. Among patients with pineal germinomas, males prevailed, while more females had suprasellar germinomas. No statistical difference was found between gender and bifocal germinoma. Pineal germinomas were manifested predominantly by the development of the dorsal midbrain syndrome in the form of oculomotor and pupillary dysfunction (75%) and the development of papilledema (53%). Germinomas of suprasellar localization are most often presented by asymmetric chiasmatic syndrome bifocal germinomas was detected in 76% cases, combination of oculomotor and pupillary dysfunction with visual impairments was found in 38% cases. Neuro-ophthalmological symptoms of germinoma of these regions manifest in the early stages of the disease and require ophthalmological examination during all stages of diagnosis and treatment.
To analyze intravital structure of the vitreous body in asteroid hyalosis using digital ultrasound imaging.
The study included 64 patients (128 eyes) aged 62 to 73 years with opacities in the vitreous body characterized as asteroid hyalosis.
The macrostructure of the vitreous body was evaluated based on the results of digital ultrasound imaging. The analysis covered various types of ultrasound images of the inner projection of the eye and the vitreous cavity. The study demonstrates the possibility of
evaluation of the integrity of vitreous tracts, and the vitreous body as a whole.
Ocular ultrasound images of patients with asteroid hyalosis acquired
were used to evaluate the macrostructure of the vitreous body and determine the features of spatial defects.
Ocular ultrasound images of patients with asteroid hyalosis acquired in vivo were used to evaluate the macrostructure of the vitreous body and determine the features of spatial defects.
To study of the effectiveness of the drug Melphalan as an antiproliferative agent during experimental proliferative vitreoretinopathy (PVR).
The experimental study used data from 24 eyes of 12 Chinchilla rabbits weighing 2.5-3.0 kg, which had PVR modeled in both eyes by intravitreal injection of a culture of heterogeneous activated fibroblast cells consisting of 200,000 cells in 0.1 ml. Treatment of experimental PVR was performed 1 day after the modeling process. In the first group of animals (6 eyes), 0.02 mg of Melphalan was administered intravitreally. In the second group of animals (6 eyes), 0.005 mg of Melphalan concentrated in 0.1 ml was administered intravitreally. Left eyes in both groups remained without treatment. Animals were observed for 1 month using biomicroscopy and ophthalmoscopy. 30 days after the animals were removed from the experiment, the eyes were enucleated, fixed in 10% buffered formalin and subjected to standard histological examination. The study of paraffin sections of the eyes h minimal retinotoxic changes.
A single intravitreal injection of 0.005 mg Melphalan had a positive therapeutic antiproliferative effect on the PVR model with minimal retinotoxic changes.
To analyze the effectiveness and safety of VEGF inhibitor used to improve keratoconus transplant survival in patients with corneal neovascularization as stand-alone and in combination with laser coagulation of ingrowing vessels before keratoplasty.
The study included 56 patients (56 eyes) with corneal opacifications of various etiology complicated by corneal neovascularization (CNV). The patients were divided into three groups. The 1st group included 27 patients with diffuse CNV who were undergoing an antiangiogenic therapy using anti-VEGF drug, the 2nd group - 14 patients with stem cell CNV who underwent laser coagulation of major corneal vessels combined with subconjunctival administration of drug before keratoplasty; the control group consisted of 15 patients with mixed type CNV who were undergoing conventional treatment without antiangiogenic therapy.
During the follow-up (24.5±4.84 months, 4 to 25 months), transplant rejection reaction was recorded in 7 (23%) patients of the 1
group, 5 (35%) patients of the 2
group and 9 (60%) patients of the control group.
Subconjunctival administration of Aflibercept as a stand-alone measure and in combination with laser coagulation of ingrowing vessels may increase the chances of transparent transplant acceptance in high-risk keratoplasty.
Subconjunctival administration of Aflibercept as a stand-alone measure and in combination with laser coagulation of ingrowing vessels may increase the chances of transparent transplant acceptance in high-risk keratoplasty.The issue of indications for surgical treatment of lamellar macular holes (LMH) remains debatable, especially considering the different opinions about the possibility of their progression.
To study natural course of LMH and to develop criteria of their progression.
The study analyses retrospective data of patients with LMH observed in S. Fyodorov Eye Microsurgery Federal State Institution from 2013 to 2018 who were examined by optical coherence tomography (OCT) at least 2 times with an interval between the initial and last examinations of at least 6 months. The examinations were carried out to evaluate the types of LMH and epiretinal membrane, the ellipsoid zone of photoreceptors and vitreoretinal interface, as well as calculate the changes in the quantitative parameters of the LMH.
One hundred and three patients with LMH were identified; data of 65 patients (65 eyes) was studied in detail. The follow-up lasted 20.5±12.9 months on average. Statistically substantiated criteria for the progression of tractional and degenerative LMH were developed, taking into account the OCT changes most significant for each type of LMH.
