abstract：:In recent years, there has been great interest in recording the pattern electroretinogram (PERG) in glaucomatous and diabetic populations. The Dawson, Trick, and Litzkow thread electrode (DTLTE) and the gold foil electrode (GFE), commonly used for recording PERGs, were compared for variations in amplitude of response,...

journal_title：Investigative ophthalmology & visual science

authors： Prager TC,Saad N,Schweitzer FC,Garcia CA,Arden GB

更新日期：1992-02-01 00:00:00

abstract：:Fibroblasts in the retroocular connective tissue appear to play a central role in the pathogenesis of Graves' ophthalmopathy (GO). We hypothesize that specific attributes, differentiating normal from GO retroocular fibroblasts, may render the latter more vulnerable to the ongoing immunopathological process in GO. We i...

journal_title：Investigative ophthalmology & visual science

authors： Heufelder AE,Wenzel BE,Bahn RS

更新日期：1992-02-01 00:00:00

abstract：:A monoclonal antibody has been produced that binds to the apical squames (flattened cells) of the rat ocular surface epithelium and to the goblet cells of the conjunctiva. Immunoelectron microscopic localization of the antigen indicates that in apical cells it is present along the apical-microplical membrane in the re...

journal_title：Investigative ophthalmology & visual science

authors： Gipson IK,Yankauckas M,Spurr-Michaud SJ,Tisdale AS,Rinehart W

更新日期：1992-01-01 00:00:00

abstract：:Inoculation of the neurotropic coronavirus mouse hepatitis virus strain JHM intravitreally or into the anterior chamber causes acute infection of the retinal pigment epithelium (RPE) and neural retina. Weeks later, many retinas have foci of moderate to severe atrophy. The effect of coronavirus infection (after intravi...

journal_title：Investigative ophthalmology & visual science

authors： Robbins SG,Wiggert B,Kutty G,Chader GJ,Detrick B,Hooks JJ

更新日期：1992-01-01 00:00:00

abstract：:The impact of aging on cell loss in the human retina was examined in foveal and temporal equatorial regions in eyes from 35 donors with ages spanning a 78-yr period from the second to the ninth decade of life. Equatorial cones and retinal pigment epithelial cells (RPE) decreased at uniform rates from the second to the...

journal_title：Investigative ophthalmology & visual science

authors： Gao H,Hollyfield JG

更新日期：1992-01-01 00:00:00

abstract：:The acute effect of topical epinephrine HCl 2% on macular capillary blood flow was studied in 18 healthy human volunteers using the blue-field simulation technique. This technique provides a method for quantifying the velocity of leukocytes flowing in macular capillaries. Subjects adjusted the velocity of simulated le...

journal_title：Investigative ophthalmology & visual science

authors： Robinson F,Chen S,Petrig BL,Grunwald JE,Riva CE

更新日期：1992-01-01 00:00:00

abstract：:The metabolic disorder in diabetics often results in progressive retinopathy with severe visual impairment. Changes in metabolism can influence corneal autofluorescence. This has led to speculation that diabetic retinopathy might be associated with changes in corneal autofluorescence. Corneal autofluorescence of both ...

journal_title：Investigative ophthalmology & visual science

authors： Stolwijk TR,van Best JA,Oosterhuis JA,Swart W

更新日期：1992-01-01 00:00:00

abstract：:Ultrastructural cytochemistry was used to analyze the polarized distribution of alkaline phosphatase (AP) on the plasma membranes of normal and regenerating retinal pigment epithelium (RPE) and the ciliary body epithelium in rabbits. The AP activity was concentrated on the basolateral plasma membrane in normal RPE. In...

journal_title：Investigative ophthalmology & visual science

authors： Korte GE,Rappa E,Andracchi S

更新日期：1991-12-01 00:00:00

abstract：:Upper eyelid movements were recorded in nine human subjects by mounting a miniature coil of wire directly on the eyelid and subjecting the search coil to a vertically directed alternating magnetic field. The metrics of blinks and lid movements accompanying saccades were described by "main sequence" relationships, link...

journal_title：Investigative ophthalmology & visual science

authors： Guitton D,Simard R,Codère F

更新日期：1991-12-01 00:00:00

abstract：:While using cobalt (Co2+) to block synaptic transmission in an in vitro preparation of chick retina, the authors observed significant changes in the DC electroretinogram (DC ERG). Cobalt (3.0 mM) increased the amplitudes of all three photoreceptor-dependent responses of the retinal pigment epithelium (RPE): the c-wave...

journal_title：Investigative ophthalmology & visual science

authors： Gallemore RP,Steinberg RH

更新日期：1991-11-01 00:00:00

abstract：:Ocular malformations and visual deficits are pathognomic of fetal alcohol syndrome (FAS). However, there are no reports on retinal visual function. To determine if prenatal (human second-trimester equivalent) or prenatal plus 10 days of postnatal (human third-trimester equivalent) ethanol exposure produced scotopic an...

journal_title：Investigative ophthalmology & visual science

authors： Katz LM,Fox DA

更新日期：1991-10-01 00:00:00

abstract：:Collagen deposition is largely responsible for scar information, an undesirable outcome of glaucoma filtering surgery. Because interferon-gamma (IFN-gamma) has been reported to inhibit collagen synthesis in a variety of cells, the authors examined its effect on collagen synthesis by Tenon's capsule fibroblasts culture...

journal_title：Investigative ophthalmology & visual science

authors： Low SQ,Kitada S,Lee DA

更新日期：1991-10-01 00:00:00

abstract：:The activities of Mg(2+)-dependent and Na(+)-K(+)-stimulated ATPase in homogenates of rat retina were measured in the presence of increasing concentrations of oxidized glutathione (GSSG). The Mg(2+)-ATPase was not inhibited by GSSG at any of the concentrations tested. The Na(+)-K(+)-stimulated ATPase was not inhibited...

journal_title：Investigative ophthalmology & visual science

authors： Winkler BS,Solomon FJ,Orselli SM

更新日期：1991-09-01 00:00:00

abstract：:Gamma-interferon (G-IFN) exhibits antiproliferative effects, inhibits collagen synthesis by fibroblasts, and may help to regulate the turnover of fibrous tissue. Fibroblasts from Tenon's capsule are cellular components that contribute to unsuccessful glaucoma filtration surgery. Therefore, the authors studied the effe...

journal_title：Investigative ophthalmology & visual science

authors： Latina MA,Belmonte SJ,Park C,Crean E

更新日期：1991-09-01 00:00:00

abstract：:The anterior chamber of the eye is an immunosuppressive microenvironment as shown experimentally by immune privilege, anterior chamber-associated immune deviation, and inability to display local delayed-type hypersensitivity responses. It recently was reported that both the aqueous humor and the cells of the iris and ...

journal_title：Investigative ophthalmology & visual science

authors： Streilein JW,Bradley D

更新日期：1991-09-01 00:00:00

abstract：:A group of 32 patients with low vision who were considered clinically appropriate candidates for visual rehabilitation with telescopic spectacles were prospectively studied before the first attempted use of these visual aids. Laboratory measurements were made of: (1) rotational head stability in pitch and yaw during q...

journal_title：Investigative ophthalmology & visual science

authors： Demer JL,Goldberg J,Porter FI,Schmidt K

更新日期：1991-09-01 00:00:00

abstract：:Flicker sensitivity was measured in groups of younger and older adult observers to assess its mean values and the test-retest variability both between sessions and in a single session. Test-retest sensitivities differed by less than 15% but tended to decrease slightly in a session and increase slightly between session...

journal_title：Investigative ophthalmology & visual science

authors： Tyler CW

更新日期：1991-08-01 00:00:00

abstract：:Herpetic stromal disease often is treated with combinations of antiviral agents and corticosteroids. The addition of steroids to the antiviral treatment regimen frequently increases the efficacy of therapy in patients; however, many complications may arise as a result of corticosteroid therapy. Using a rabbit model, t...

journal_title：Investigative ophthalmology & visual science

authors： O'Brien WJ,Taylor JL

更新日期：1991-08-01 00:00:00

abstract：:The peroxidase-antiperoxidase method was used to study ten surgically obtained human optic nerve gliomas (pilocytic astrocytomas). All tissues were formalin fixed and paraffin embedded. Primary antisera included glial fibrillary acidic protein (GFAP), HNK-1 (type 1 astrocyte precursor marker), A2B5 (type 2 astrocyte p...

journal_title：Investigative ophthalmology & visual science

authors： Cutarelli PE,Roessmann UR,Miller RH,Specht CS,Grossniklaus HE

更新日期：1991-08-01 00:00:00

abstract：:Chronic blepharitis has been a difficult disease to define either microbiologically or biochemically. Sterols from meibomian secretions of normal subjects and patients were analyzed, and important differences were observed. Based on analyses of these secretions, two significantly different (P less than 0.001) types of...

journal_title：Investigative ophthalmology & visual science

authors： Shine WE,McCulley JP

更新日期：1991-07-01 00:00:00

abstract：:To evaluate the penetration of ciprofloxacin, a new wide-spectrum oral antibiotic, into the vitreous, ciprofloxacin was administered orally to 21 patients who were scheduled to undergo vitreal surgery. Seven patients received 750 mg ciprofloxacin 4 hr before surgery (group I), seven patients received this dose 8 hr be...

journal_title：Investigative ophthalmology & visual science

authors： Keren G,Alhalel A,Bartov E,Kitzes-Cohen R,Rubinstein E,Segev S,Treister G

更新日期：1991-07-01 00:00:00

abstract：:The rhodopsin content of the human retina was determined spectrophotometrically. Retinas were removed completely by using an in vitro technique based on a simulation of retinal detachment. This method provides a total recovery of rod outer segments which contain the rhodopsin visual pigment or its apoprotein, opsin. U...

journal_title：Investigative ophthalmology & visual science

authors： van Kuijk FJ,Lewis JW,Buck P,Parker KR,Kliger DS

更新日期：1991-06-01 00:00:00

abstract：:Recently protease inhibitors were used to treat corneal ulceration and persistent epithelial defect. An organ culture system was used in this study to examine the effect of four protease inhibitors on rat corneal epithelial migration and on incorporation of 3H-leucine into trichloroacetic acid-precipitable material as...

journal_title：Investigative ophthalmology & visual science

authors： Zieske JD,Bukusoglu G

更新日期：1991-06-01 00:00:00

abstract：:Recent work demonstrated that a mannose receptor is involved in the phagocytosis of rod outer segments by the rat retinal pigment epithelium (RPE). In this study the binding of soluble mannose-containing ligands by human RPE explants is described. In addition, the authors report the isolation of a mannose receptor fro...

journal_title：Investigative ophthalmology & visual science

authors： Shepherd VL,Tarnowski BI,McLaughlin BJ

更新日期：1991-05-01 00:00:00

abstract：:Transmembrane electrical measurements were performed on the isolated rabbit iris-ciliary body (I-CB) to study the direct effects of halogenated inhalation anesthetic agents on the ciliary epithelium. Addition of either halothane, enflurane, or isoflurane to the control 95% O2:5% CO2 gas mixture resulted in a dose-depe...

journal_title：Investigative ophthalmology & visual science

authors： Tang LQ,Krupin T,Milner M,Woods D,Miller K,Carré DA,Civan MM

更新日期：1991-05-01 00:00:00

abstract：:Retinal dysplasia is a failure in normal retinal development. The morphologic sequence of the dysplastic processes was examined in fetuses and neonates from dogs affected with an inherited form of retinal dysplasia. The dysplastic change has its onset at 45-50 days' gestation and is most prominent in the dorsal peripa...

journal_title：Investigative ophthalmology & visual science

authors： Whiteley HE

更新日期：1991-04-01 00:00:00

abstract：:Neodymium: yttrium aluminum garnet (Nd:YAG) laser transscleral cyclophotocoagulation has been shown to be an effective method of lowering intraocular pressure (IOP). Transmission and absorption features of diode laser radiation (810 nm) make these new laser sources suitable for production of transscleral thermal lesio...

journal_title：Investigative ophthalmology & visual science

authors： Brancato R,Leoni G,Trabucchi G,Cappellini A

更新日期：1991-04-01 00:00:00

abstract：:Chloride ion (Cl-) secretion by the rabbit corneal epithelium involves a catecholamine-stimulated Cl- conductance at the apical membrane, but the characteristics of the ion channel(s) responsible are unknown. A primary cell culture system was developed that induces stratified epithelial differentiation of rat and rabb...

journal_title：Investigative ophthalmology & visual science

authors： Marshall WS,Hanrahan JW

更新日期：1991-04-01 00:00:00

abstract：:The hydration of actin was studied by differential scanning calorimetry between -30 degrees C and 30 degrees C and by thermogravimetric analysis. The differential scanning calorimetry provided the freezable water content of G- and F-actin as a function of concentration, and the thermogravimetric analysis measured the ...

journal_title：Investigative ophthalmology & visual science

authors： Kakar S,Bettelheim FA

更新日期：1991-03-01 00:00:00

abstract：:Cataracts were produced in cultured rat lenses by either 10 microM calcium ionophore A23187, 25 microM sodium selenite, or 30 mM xylose. E64, an inhibitor of cysteine proteases, such as calpain (EC, 3.4.22.17), reduced severity of cataract and proteolysis of crystallins when included at a 500 microM concentration in t...

journal_title：Investigative ophthalmology & visual science

authors： Shearer TR,Azuma M,David LL,Murachi T

更新日期：1991-03-01 00:00:00

abstract：:Topical application of Prostaglandin F2 alpha (PGF2 alpha) to the eye reduces intraocular pressure (IOP) in all mammalian species studied thus far, including humans. The L-isopropylester derivative is currently the one most commonly used in experimental and clinical studies. Dose-response relationships were determined...

journal_title：Investigative ophthalmology & visual science

authors： Crawford KS,Kaufman PL

更新日期：1991-03-01 00:00:00

abstract：:The first heritable model of retinoblastoma was established by retina-specific expression of simian virus 40 T-antigen (SV40 T-ag) in transgenic mice. Bilateral, multifocal ocular tumors were observed in 100% of transgene-bearing mice. Central nervous system neoplasms occurred at a lower rate (27%) and represented the...

journal_title：Investigative ophthalmology & visual science

authors： Marcus DM,Carpenter JL,O'Brien JM,Kivela T,Brauner E,Tarkkanen A,Virtanen I,Albert DM

更新日期：1991-02-01 00:00:00

abstract：:An automated Minigel electrophoresis system (PhastSystem, Pharmacia, Uppsala, Sweden) was tested for human tear protein analysis. Tear samples were treated under nonreducing or reducing conditions before sodium dodecyl sulphate polyacryl amide gel electrophoresis (SDS-PAGE). Micro-amounts of tears (2 microliters) were...

journal_title：Investigative ophthalmology & visual science

authors： Kuizenga A,van Haeringen NJ,Kijlstra A

更新日期：1991-02-01 00:00:00

abstract：:Extracellular matrix (ECM) turnover and remodeling are initiated, at least in part, by the regulated secretion of members of a family of matrix metalloproteinases. Human and bovine trabecular mesh-work in culture secrete interstitial collagenase, both the 72- and the 92-kD forms of type IV collagenase (gelatinases) an...

journal_title：Investigative ophthalmology & visual science

authors： Alexander JP,Samples JR,Van Buskirk EM,Acott TS

更新日期：1991-01-01 00:00:00

abstract：:Retinal cone photoreceptors are polarized cells with discrete functional compartments. Little is known of the membrane-skeleton components in cones responsible for the maintenance of cellular morphology and compartmentalization of integral membrane proteins. The authors describe a high density of the membrane-skeleton...

journal_title：Investigative ophthalmology & visual science

authors： Spencer M,Moon RT,Milam AH

更新日期：1991-01-01 00:00:00

abstract：:The authors used a psychophysical method to measure lens transmission of young, type I diabetic patients and normal controls. The results from normal controls agreed with previously published reports of decreasing lens transmission with age, and those from diabetic subjects suggested that lenses of young, type I diabe...

journal_title：Investigative ophthalmology & visual science

authors： Lutze M,Bresnick GH

更新日期：1991-01-01 00:00:00

abstract：:Chinese hamster ovarian (CHO) cells in culture were used to evaluate the relative antiproliferative potential of drugs. These agents have been used to improve the clinical response after glaucoma filtering surgery. The following drugs were evaluated: 5-fluorouracil (5-FU) as the benchmark, 5-fluorouridine (FUR), 5-flu...

journal_title：Investigative ophthalmology & visual science

authors： Senderoff RI,Weber PA,Smith DR,Sokoloski TD

更新日期：1990-12-01 00:00:00

abstract：:Superoxide dismutase (SOD) molecules occur in all cells exposed to an oxygen-containing environment, including retinal pigment epithelial (RPE) cells. Previous studies of nonhuman RPE have either probed specifically for copper-zinc-containing SOD (CuZn-SOD) or have not distinguished between CuZn-SOD and the SOD molecu...

journal_title：Investigative ophthalmology & visual science

authors： Newsome DA,Dobard EP,Liles MR,Oliver PD

更新日期：1990-12-01 00:00:00

abstract：:A recent hypothesis for the cellular mechanism of fluid secretion by lacrimal acini has been based, in part, on the results of subcellular fractionation analyses of lacrimal gland fragments which had been incubated for a brief period in vitro. An important assumption in those studies was that the ion transporters and ...

journal_title：Investigative ophthalmology & visual science

authors： Yiu SC,Wood RL,Mircheff AK

更新日期：1990-11-01 00:00:00

abstract：:To investigate the accumulation of tear proteins on disposable extended-wear contact lenses (42% Etafilcon A and 58% hydration), a technique involving sodium dodecyl sulfate-polyacrylamide minigel electrophoresis combined with a sensitive silver-staining method was used. Besides the binding of large amounts of tear ly...

journal_title：Investigative ophthalmology & visual science

authors： Cheng KH,Kok JH,van Mil C,Kijlstra A

更新日期：1990-11-01 00:00:00