Abstract:
:Local pO2 was measured close to the ciliary process of the rabbit eye using polarographic microelectrodes under microendoscopic observation. The experiments were performed in 5 anaesthetized New Zealand rabbits. Changes in local pO2, intraocular pressure (IOP) and blood flow velocity (BFV) were investigated after intra-arterial and topical application of epinephrine. After intra-arterial epinephrine, a simultaneous decrease in BFV, IOP and local pO2 was found. pO2 decrease was more pronounced in the anterior part of the ciliary processes than in the posterior part. Topical epinephrine lead to similar changes of all parameters mentioned above, the time constants being 10-20 times longer. In these topical experiments, no recovery of local pO2 was found over a period of at least 30 min despite an increase in BFV. Our results indicate that in the hyperemic phase after epinephrine the activity of the ciliary epithelium (and probably the total aqueous formation) is higher than normal. Thus, the decrease in IOP in this phase must be due to an increased outflow facility.
journal_name
Ophthalmic Resjournal_title
Ophthalmic researchauthors
Höper J,Funk RHdoi
10.1159/000267324subject
Has Abstractpub_date
1993-01-01 00:00:00pages
265-72issue
5eissn
0030-3747issn
1423-0259journal_volume
25pub_type
杂志文章abstract::Small RNA (microRNA or miRNA) is a kind of small noncoding single-stranded RNA that regulates complementary mRNA at the posttranscriptional level in eukaryotic organisms. As important regulatory factors, miRNAs play an important role in the occurrence and development of glaucoma and widely participate in regulating bi...
journal_title:Ophthalmic research
pub_type: 杂志文章,评审
doi:10.1159/000450957
更新日期:2017-01-01 00:00:00
abstract::The main objective of this study was to determine the intraocular concentration of fluorescein after applying five eye drops with only 1-min intervals in human eyes. The concentration of fluorescein in corea and aqueous was studied with fluorophotometry in 11 healthy volunteers. Five 10-microliter drops of 2% fluoresc...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267997
更新日期:1997-01-01 00:00:00
abstract::To ascertain the effectiveness of topical antioxidant therapy on acute corneal inflammation, we have studied the effectiveness of topical treatment with a saline solution and with antioxidants such as 0.2% superoxide dismutase and 0.5% dimethylthiourea (DMTU) in a controlled experimental study. The evolution of the in...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267648
更新日期:1995-01-01 00:00:00
abstract:PURPOSE:To investigate the antiangiogenic effect of itraconazole for the prevention of experimentally induced corneal neovascularization and whether the efficacy depends on the route of administration. MATERIALS AND METHODS:Thirty-six rats were randomly divided into 6 groups with 6 rats in each group. Chemical cauteri...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000366283
更新日期:2014-01-01 00:00:00
abstract::To study the mode of riboflavin metabolism in the lens in vivo, the uptake of 14C-labeled riboflavin and synthesis of ester forms from 14C-riboflavin were assayed in the single whole lens of the rats. 14C-riboflavin uptake increased in proportion to the substrate concentration in the incubation medium, reaching a plat...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265249
更新日期:1983-01-01 00:00:00
abstract:PURPOSE:To determine whether docosahexaenoic acid (DHA) can reduce the retinal damage induced by transient retinal ischemia. METHODS:Retinal ischemia was induced by increasing intraocular pressure (IOP). Retinal circulation was restored by lowering IOP. An intraperitoneal injection of 1,000 mg/kg of DHA-ester (DHA-E) ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000055669
更新日期:2001-07-01 00:00:00
abstract:OBJECTIVE:To evaluate a technique of autologous internal limiting membrane (ILM) fragment transplantation for the treatment of large, chronic, and/or refractory macular holes (MH). DESIGN:This was a 6-month prospective interventional case series. METHOD:Ten eyes of 10 patients with MH underwent pars plana vitretomy (...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000440767
更新日期:2015-01-01 00:00:00
abstract::We examined 304 conjunctiva in 152 subjects by clinical, cytologic, and bacteriologic methods. Bacteriologic samples were evaluated after a 48-hour incubation. Bacterial growth was found in 8 (20.5%) of 39 patients with clinically normal conjunctiva and no polymorphonuclear leukocytes (PMNs), and in 8 (61.5%) of 13 su...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267086
更新日期:1991-01-01 00:00:00
abstract::Soluble dextran polymer derivatives (CMDBSs) are originally synthesized as heparin-like plasma substitutes. Some of them mimic heparin in its interactions and stabilize, protect and facilitate actions of heparin binding growth factors. The wound healing activity of one specific CMDBS was studied in a model of corneal ...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267497
更新日期:1994-01-01 00:00:00
abstract:BACKGROUND/AIM:Corneal epithelial defects may heal slowly in patients with diabetes, limbal stem cell deficiency, extensive chemical burns or anesthetized corneas. Studies have shown that erythropoietin, a glycoprotein hormone that promotes red blood cell proliferation and inhibits apoptosis of erythroid progenitors, m...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000351627
更新日期:2013-01-01 00:00:00
abstract::Extracellular recordings were performed on electrophysiologically identified achromatic neurons of the photosensitive pineal organ of the frog. The effects of iontophoretically applied aspartate and glutamate as well as one aspartate antagonist (D-alpha-aminoadipate) were observed on spontaneous activity and light-evo...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265304
更新日期:1984-01-01 00:00:00
abstract:PURPOSE:To assess the natural variability in the diameter of small collagen fibrils in the lamellae of corneal stroma of healthy young rabbits. MATERIALS AND METHODS:The corneas of 6 young adult female New Zealand White rabbits (2.1 kg) were prepared for transmission electron microscopy (TEM) by fixation with a cacody...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000096228
更新日期:2006-01-01 00:00:00
abstract::Diabetic macular edema is considered the most important factor related to visual impairment in patients with diabetic retinopathy. Together with the use of grid and focal laser photocoagulation, today the intravitreal administration of pharmacotherapies represents the standard of care for the treatment of this complic...
journal_title:Ophthalmic research
pub_type: 杂志文章,评审
doi:10.1159/000362764
更新日期:2014-01-01 00:00:00
abstract:PURPOSE:To analyze chloroquine-induced morphological changes in the retinal pigment epithelium (RPE) and Bruch's membrane (BM). METHODS:Retina-choroid complexes of chloroquine-treated Long-Evans rats were analyzed by electron microscopy. RESULTS:Intercellular spaces between the RPE cells and BM were enlarged. Residua...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000090268
更新日期:2006-01-01 00:00:00
abstract:PURPOSE:To analyze a multiflash multifocal electroretinogram in 20 patients with open-angle glaucoma (OAG). METHODS:The stimulation sequence consisted of a binary m-sequence (L(max) 200 cd/m(2), L(min) <1 cd/m(2)). Each m-sequence stimulus was followed by three global flashes (luminance: 400 cd/m(2)) at an interval of...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000048333
更新日期:2002-03-01 00:00:00
abstract:PURPOSE:This study was performed to examine the location, width, and insertional shape of rectus extraocular muscles (EOMs), and to elucidate the symmetry of the insertional anatomy of rectus EOMs in the left and right eyes. METHODS:EOMs were dissected from their origin to the insertion point in 100 intact orbits of 5...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000272021
更新日期:2010-01-01 00:00:00
abstract::Calf water-soluble (WS) crystallins consist of high-molecular weight (HM), alpha-, beta H-, beta L-, beta s- and gamma-crystallins. alpha-Crystallin as a molecular chaperone forms a structure with a central hole, known as Carver's model. The only crystallins fitting into this central cavity are beta s- and gamma-cryst...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267939
更新日期:1996-01-01 00:00:00
abstract:PURPOSE:The purpose of our study was to investigate the profiles of inflammatory cytokines and the macrophage polarization gene in a choroidal neovascularization (CNV) mouse model before and after intravitreal aflibercept treatment. METHODS:The CNV mouse model was conducted by laser photocoagulation. A total of 58 cyt...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000513588
更新日期:2020-12-04 00:00:00
abstract:AIMS:To investigate whether allogeneic limbal mesenchymal stem cell (LMSC) therapy affects corneal healing after a severe chemical burn and whether the route of administration of LMSCs differs in its therapeutic effect in this respect. METHODS:A total of 60 Sprague-Dawley rats with clinically proven alkali injury were...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000368659
更新日期:2015-01-01 00:00:00
abstract:PURPOSE:To establish a retinal blood flow database in normal human eyes using the Canon Laser Blood Flowmeter (CLBF). METHOD:Fourteen healthy subjects (7 males, 7 females) between the ages of 24 and 33 underwent birectional laser Doppler velocimetry (BLDV) in one eye using the CLBF. Measurements consisting of blood ve...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000065600
更新日期:2002-09-01 00:00:00
abstract::A system for isolation of capillaries from the retina has been adapted to biochemical studies in vitro. Insulin receptors were identified in human and calf retinal blood vessels. Binding of 125I insulin by calf retinal blood vessels takes place through high affinity (low capacity) and low affinity (high capacity) rece...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265234
更新日期:1983-01-01 00:00:00
abstract::The effect of topical neutral formaldehyde on the blood-aqueous barrier of the rat was studied. Thirty minutes after irritation, the protein concentration of the aqueous humour had increased from the control value of 1.95 +/- 0.25 to 2.95 +/- 0.45 mg/ml (p less than 0.05). Extravasation of Evans blue dye from the iris...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265442
更新日期:1986-01-01 00:00:00
abstract::Modulation sensitivity functions ( MSFs ) of retinal ganglion cells of the pigeon were determined by recording action potentials from their end branching in the optic tectum as response indicator. The inverse Fourier transformation of a MSF is taken to represent the receptive field sensitivity function approximating t...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265299
更新日期:1984-01-01 00:00:00
abstract::The antioxidants sodium benzoate and 2,3-dihydroxybenzoic acid reduced the inflammatory response in experimental phacoanaphylactic endophthalmitis. The 2,3-dihydroxybenzoic acid was by far the more effective antiphlogistic agent. The molecular mechanisms that may have contributed to the observed difference in antiphlo...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265483
更新日期:1987-01-01 00:00:00
abstract::In corneal organ culture, a contamination of sterile culture media with endotoxin is frequently found. Thus, we investigated if the presence of endotoxin affects the viability of cultured porcine corneal endothelial cells. Endotoxin in high concentrations caused morphological cell changes in porcine corneal endothelia...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000055566
更新日期:1999-01-01 00:00:00
abstract:PURPOSE:To compare tear film osmolarity (TFO) between patients with diabetes mellitus (DM) and normal healthy individuals. METHODS:In this prospective case-controlled study, the TFO in 46 normal subjects (control group) and 55 patients with DM (study group) was evaluated. TFO in milliosmole (mOsm) was measured by usin...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000345770
更新日期:2013-01-01 00:00:00
abstract:BACKGROUND:We assessed bleb morphology and the intraocular pressure (IOP)-lowering effect of trabeculectomy with ologen compared to mitomycin C (MMC) in juvenile open-angle glaucoma (JOAG). METHODS:This is a prospective interventional comparative study conducted on 40 eyes (20 patients) with medically uncontrolled JOA...
journal_title:Ophthalmic research
pub_type: 杂志文章,随机对照试验
doi:10.1159/000456719
更新日期:2017-01-01 00:00:00
abstract::The eyes of 200 rats (Mol:SPRD, Moellegaard Ltd., Skensvet, Denmark), 8 weeks of age and of both sexes, were examined routinely with a photo-slitlamp microscope (Zeiss) and opthalmoscope (Heine) 3-4 times in the course of four different 12-week toxicity studies. The animals were kept under constant lighting conditions...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267492
更新日期:1994-01-01 00:00:00
abstract::The presence of chondroitin- and heparan sulfate-containing proteoglycans and type IV collagen was searched for in human cameral mucous gel (CMG). Monoclonal antibodies specific for human heparan sulfate, chondroitin sulfate and collagen IV were used in ultrathin sections of Lowicryl-embedded human CMG. Only chondroit...
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000267569
更新日期:1995-01-01 00:00:00
abstract::The ophthalmic examination of patients with hypertrophic cardiomyopathy treated with high doses of verapamil over a considerable period of time showed no evidence of a side effect of the drug, thus proving its ocular safety. This could be verified by densitometric image analysis of Scheimpflug photographs of the eyes....
journal_title:Ophthalmic research
pub_type: 杂志文章
doi:10.1159/000265327
更新日期:1984-01-01 00:00:00