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Corneal Reflex

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621. Alternative Dosing and Regimen of Replagal to Treat Fabry Disease

and 1 month after the last infusion. Safety evaluations are done periodically and include vital sign measurements, physical examination, blood and urine tests, review of drug side effects, electrocardiogram (ECG), Holder monitor (2 hour ECG), and QSART (NIH only). The QSART (quantitative sudomotor axon reflex test) measures the amount of sweat in a particular area of skin, mostly the forearm. For this test, a cup partly filled with a liquid is strapped on the arm. A weak electric current is turned (...) in plasma or serum or less than 8% of average mean normal in leukocytes). Subject must have one or more clinical manifestations of Fabry disease including neuropathic pain, angiokeratoma, corneal verticillata, cardiomyopathy, hypo- or anhydrosis, abdominal pain and/or diarrhea, serum creatinine greater than 1.0 mg/dl or proteinuria greater than 300 mg/24 hours. Subject must have voluntarily signed an Institutional Review Board (IRB) approved informed consent form after all relevant aspects of the study

2004 Clinical Trials

622. Screening Aid to Identify Corneas That May Have Pathologies or Other Conditions

mires, distortion of the retinoscopic, or ophthalmoscopic red reflex (or a combination of these) At least one of the following biomicroscopic signs: Vogt's striae, Fleischer's ring of >2 mm arc, or corneal scarring consistent with keratoconus. Contact lens wearers should discontinue use preferably 1 day or at least half an hour prior to imaging. Myopic Laser Vision Correction Patients who have undergone myopic: LASIK PRK LASEK Hyperopic Laser Vision Correction Patients who have undergone hyperopic (...) by distorted keratometry mires, distortion of the retinoscopic, or ophthalmoscopic red reflex (or a combination of these) At least one of the following biomicroscopic signs: Vogt's striae, Fleischer's ring of >2 mm arc, or corneal scarring consistent with keratoconus. Contact lens wearers should discontinue use preferably 1 day or at least half an hour prior to imaging. Myopic Laser Vision Correction Patients who have undergone myopic: LASIK PRK LASEK Hyperopic Laser Vision Correction Patients who have

2006 Clinical Trials

623. Efficacy of T1675 Versus Placebo in Patients With Bilateral Treated Moderate Dry Eye Syndrome

, BUT and Schirmer, performed within the last 12 months before Inclusion Visit, for both eyes. Bilateral symptomatology suggestive of dry eye defined by: at least one of the following ocular symptoms suggestive of dry eye (burning, stinging, dryness feeling, sandy and/or gritty sensation, light sensitivity, reflex tearing, ocular fatigue) and Questioning on patient’s feeling (score >=3). Fulfilling the following criteria of dry eye syndrome in both eyes defined by: Keratoconjunctivitis defined by a lissamine (...) -GARCHER, Professor CHU of Dijon, France More Information Go to Layout table for additonal information ClinicalTrials.gov Identifier: Other Study ID Numbers: LT1675-PIICA-04/04 PHASE II First Posted: July 27, 2006 Last Update Posted: July 27, 2006 Last Verified: July 2006 Additional relevant MeSH terms: Layout table for MeSH terms Syndrome Keratoconjunctivitis Sicca Dry Eye Syndromes Disease Pathologic Processes Keratoconjunctivitis Conjunctivitis Conjunctival Diseases Eye Diseases Keratitis Corneal

2006 Clinical Trials

624. Practice parameter: prediction of outcome in comatose survivors after cardiopulmonary resuscitation (an evidence-based review): report of the Quality Standards Subcommittee of the American Academy of Neurology. (PubMed)

authors identified four class I studies, three class II studies, and five class III studies on clinical findings and circumstances. The indicators of poor outcome after CPR are absent pupillary light response or corneal reflexes, and extensor or no motor response to pain after 3 days of observation (level A), and myoclonus status epilepticus (level B). Prognosis cannot be based on circumstances of CPR (level B) or elevated body temperature (level C). The authors identified one class I, one class II (...) (level B). Ten class IV studies on brain monitoring and neuroimaging did not provide data to support or refute usefulness in prognostication (level U).Pupillary light response, corneal reflexes, motor responses to pain, myoclonus status epilepticus, serum neuron-specific enolase, and somatosensory evoked potential studies can reliably assist in accurately predicting poor outcome in comatose patients after cardiopulmonary resuscitation for cardiac arrest.

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2006 Neurology

625. Positive angle kappa: a sign of albinism in patients with congenital nystagmus. (PubMed)

Positive angle kappa: a sign of albinism in patients with congenital nystagmus. To determine whether the association of positive angle kappa and congenital nystagmus is a distinguishing feature of albinism.Observational case series.Prospective examination of the location of the corneal light reflex in patients with albinism and idiopathic congenital nystagmus.A positive angle kappa in at least one eye was noted in 20/21 (95%) patients with albinism versus 4/12 (33%) patients with congenital

2004 American Journal of Ophthalmology

626. Superior tarsectomy augments super-maximum levator resection in correction of severe blepharoptosis with poor levator function. (PubMed)

institution.Chart review of patients who underwent super maximum levator resection with or without superior tarsectomy. Data regarding eyelid position, surgical outcome, and postoperative complications were evaluated.Margin reflex distance-1 (distance [mm] between corneal light reflex and upper eyelid margin), bilateral eyelid symmetry, and postoperative complications.A statistically significant improvement in ptosis correction was demonstrated when integrating the superior tarsectomy with the super maximum (...) levator resection (P = 0.029). In addition, the superior tarsectomy significantly decreased the incidence of undercorrection (margin reflex distance-1 values less than 2.0 mm) compared with the super-maximum levator resection alone (12.5% vs. 70%; P = 0.023). Improved postoperative eyelid symmetry within 1.0 and 1.5 mm was demonstrated in cases treated by the superior tarsectomy. Postoperative complications were similar in both treatments.The super maximum levator resection combined with superior

2006 Ophthalmology

627. Abnormal foveal avascular zone in nanophthalmos. (PubMed)

Abnormal foveal avascular zone in nanophthalmos. To evaluate the foveas of nanophthalmic patients.Retrospective observational case series.Four nanophthalmic patients examined between April 2005 and April 2006 were included. Visual acuity (VA), refractive correction, axial length, corneal diameter, presence or lack of foveal light reflex, as well as fluorescein angiograms (FAs), and optical coherence tomography (OCT) scans of the maculae were evaluated.None of the eight eyes had a foveal light (...) reflex, corresponding to lack of a normal foveal pit on OCT. Fluorescein angiography showed no normal foveal avascular zones; all were either completely absent or small and rudimentary.Nanophthalmic patients rarely have best-corrected visual acuity (BCVA) better than 20/40 at any point in their lives, even with an absence of known complications, such as uveal effusion or glaucoma. In many patients, this visual deficiency may correspond to an absent or rudimentary foveal avascular zone and lack

2007 American Journal of Ophthalmology

628. A useful augmented lateral tarsal strip tarsorrhaphy for paralytic ectropion. (PubMed)

to evaluate the technique.Prospective noncomparative surgical trial in which preoperative and postoperative symptoms, margin reflex distances, vertical palpebral aperture (PA), lagophthalmos, and corneal findings were recorded. The data were analyzed at 6 months after surgery using the Wilcoxon sign-rank test for nonparametric data.Fourteen consecutive adult patients (15 eyelids) with chronic lagophthalmos and paralytic ectropion.Patients underwent aug-LTS-T. This consisted of a long strip (10-15 mm (...) ) that is attached to the outer temporal orbital rim, at a point higher than a conventional LTS. It included removal of a small part of the upper eyelid anterior lamella laterally to pass the long strip up high enough.Improvement of symptoms, reduction of lower margin reflex distance, lagophthalmos, and improvement of corneal signs.Minimum follow-up was 6 months. There was a significant reduction in PA (P = 0.005) and lagophthalmos (P = 0.0002) with improvement of corneal signs (14 of 15 eyelids = 93%). Surgery

2006 Ophthalmology

629. Cannabinoid antagonist AM 281 reduces mortality rate and neurologic dysfunction after cecal ligation and puncture in rats. (PubMed)

-iminoethyl)-lysine (4 mg/kg), was injected intraperitoneally immediately after CLP to produce the CLP + L-N6-(1-iminoethyl)-lysine group to exclude the influence of depressed hemodynamics on neurologic impairment.It was found that administration of AM 281 could prevent the hemodynamic changes induced by sepsis. Reflex responses, including the pinna, corneal, paw or tail flexion, and righting reflexes, and the escape response significantly decreased in the CLP and CLP + L-N6-(1-iminoethyl)-lysine groups (...) at 48 hrs after the surgery. In contrast, no changes in these reflex responses were found between the CLP + AM 281 and control and sham groups. In addition, no effects of the administration of AM 281 on neurologic function and mortality rate in the control group were found. Tissue caspase-3 levels were elevated at 48 hrs after CLP in the CLP alone group (means +/- sd: control, 3.9 +/- 0.4; sham, 4.2 +/- 0.4; CLP, 7.1 +/- 1.0 [p < .01]; CLP + AM 281, 4.0 +/- 0.5 densitometric units). In addition

2005 Critical Care Medicine

630. Treatment of Lower Eyelid Malposition with Dermis Fat Grafting. (PubMed)

immunodeficiency virus-associated lipodystrophy were treated with midfacial lifting combined with dermis fat posterior lamellar spacer grafting.Preoperative and postoperative measurements of eyelid position, margin-to-reflex distance (defined as the distance from the upper eyelid to the central corneal light reflex and the distance from the lower eyelid to the corneal light reflex), lagophthalmos, corneal staining, presence of ocular surface symptoms, and patient satisfaction.All patients who underwent dermis

2007 Ophthalmology

631. Strabismus in senile cataract patients. (PubMed)

was measured by the prism and cover test or prism and corneal reflex test.Mean preoperative deviation of the study group was 17.8 +/- 9.7 prism diopters (PD) of exophoria/tropia. In this group, 70.2% had exophoria and 27.7% had exotropia. In the control group exophoria was found in 75% of the persons whereas none of them had any heterotropia. Mean deviation in the control group was 4.7 +/- 5.1 PD of exophoria. Postoperatively, the angle of exophoria/tropia improved to 12.8 +/- 8.5 PD, which was different

2005 JAAPOS - Journal of the American Association for Pediatric Ophthalmology and Strabismus

632. Tramadol encapsulated into polyhydroxybutyrate microspheres: in vitro release and epidural analgesic effect in rats. (PubMed)

flick tests performed at 52.5 +/- 0.5 degrees C before injection and at intervals up to 30 h after injection. Catalepsy and loss of corneal reflexes were considered as signs of supraspinal toxicity.In vitro drug release was observed for more than 6 days. Epidural analgesic effects of tramadol released from PHB microspheres were observed for 21 h, whereas an equal dose of free tramadol was effective for less than 5 h. No signs of toxicity were observed.Controlled release of tramadol from PHB

2003 Acta Anaesthesiologica Scandinavica

633. Lens epithelial cell reaction after implantation of different intraocular lens materials: two-year results of a randomized prospective trial. (PubMed)

randomly assigned to receive one of four different foldable IOLs after phacoemulsification: Storz Hydroview H60M, Corneal ACR6D, AMO SI40NB, and Alcon AcrySof MA60BM. Examinations on days 7, 30, 90, 180, 360, and 720 after surgery included ophthalmologic examination, slit-lamp biomicroscopy, and photography using red reflex and focal illumination of the anterior IOL surface.Best-corrected visual acuity was measured at each examination. In addition, the anterior capsule opacification and the membrane (...) growth on the anterior IOL surface were graded according to a subjective method by the same researcher.The fibrosis of the anterior capsule was more frequently observed in the group using Corneal ACR6D and AMO SI40NB. The Hydroview and ACR6D groups showed a higher percentage of cases with membrane growth from the rhexis edge on the anterior IOL surface. AcrySof showed the lowest presence of fibrosis of the anterior capsule, and no membrane growth was noted.Anterior capsule opacification is an index

2003 Ophthalmology Controlled trial quality: uncertain

634. [Pharmacodynamics of two different propofol formulations]. (PubMed)

, based on measured arterial propofol plasma concentrations. Clinical pharmacodynamics were assessed by reaction on acoustic stimuli, eyelid reflex and corneal reflex.The drugs did not differ in pharmacodynamics with respect to EEG (EC(50) 2.1+/-0.6 for Diprivan and 2.1+/-0.5 microg/ml for Propofol Fresenius) and clinical signs. The pharmacodynamic model was characterized by a steep concentration effect relationship and a distinct hysteresis between propofol plasma concentration and effect (k(e0) 0.12

2006 Der Anaesthesist Controlled trial quality: uncertain

635. Oriental oculopalpebral dimensions: Quantitative comparison between Orientals from Japan and Brazil (PubMed)

palpebral surgery, and crossbreeding. Images were obtained with a digital camera, 30 cm from the frontal plane at pupil height, with the individual in a primary position and the eye trained on the camera lens. Images were transferred to computer and processed by the Scion Image program. Measurements were made of distance between medial canthi, distance between pupils (IPD), superior eyelid crease position, distance between the superior lid margin and corneal reflexes (MRD), horizontal width, height

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2008 Clinical ophthalmology (Auckland, N.Z.)

636. Potentiation of barbiturate-induced alterations in presynaptic noradrenergic function in rat frontal cortex by imidazol(in)e α2-adrenoceptor agonists (PubMed)

with a return of the corneal blink reflex. 4. Basal NA levels in conscious animals were not affected by an intravenous infusion of equally radioactive solutions of either imidazoline (clonidine) or imidazole (mivazerol) alpha2-adrenoceptor agonists. The dose rate employed for each compound was 2 microg kg(-1) h(-1) over 2 h. 5. The co-administration of intravenous clonidine or mivazerol, each at 2 microg kg(-1) h(-1) for 2 h, with sodium pentobarbitone (85 mg kg(-1), i.p.), produced a marked and prolonged

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1998 British journal of pharmacology

637. Topical cannabinoid agonist, WIN55,212-2, reduces cornea-evoked trigeminal brainstem activity in the rat. (PubMed)

at the Vi/Vc transition was reduced significantly by topical WIN-2, while activity at the Vc/C1 junction region displayed only minor decreases. These findings were consistent with the hypothesis that CB1 receptors affect the activity of corneal-responsive neurons that preferentially contribute to homeostasis of the anterior eye and/or reflexive aspects of nociception rather than the sensory-discriminative aspects of corneal nociception. (...) Topical cannabinoid agonist, WIN55,212-2, reduces cornea-evoked trigeminal brainstem activity in the rat. Cannabinoids act at receptors on peripheral and central neurons to modulate diverse physiological functions and produce analgesia. Corneal sensory nerves express the CB1 cannabinoid receptor and project to two spatially discrete regions of the lower brainstem, the trigeminal interpolaris/caudalis (Vi/Vc) transition and subnucleus caudalis/upper cervical cord (Vc/C1) junction region

2002 Pain

638. Thiopental requirements may be increased in children reanesthetized at least one year after recovery from extensive thermal injury. (PubMed)

Thiopental requirements may be increased in children reanesthetized at least one year after recovery from extensive thermal injury. Clinical observations suggested that children long recovered from burn injury required larger doses of thiopental for a smooth anesthetic induction. A prospective randomized study examined children 6-16 yr old, with greater than 15% burn, and more than 1 year after injury, for loss of lid reflex (LR), corneal reflex (CR), and acceptance of the anesthesia mask (AM

1985 Anesthesia and analgesia Controlled trial quality: uncertain

639. [Comparison of propofol and propanidid administered at a constant rate]. (PubMed)

anaesthetic parameters were monitored at induction, during surgery, and during recovery. Consciousness was lost more quickly with propofol (p less than 0.05), but the corneal reflex returned more rapidly in group PD (p less than 0.02). The time required for a full return to normal consciousness was identical in both groups. The fall, during induction, and the increase, during recovery, of Pasys were greater in group PD (p less than 0.05 and less than 0.001 respectively). Padia and heart rate were lower

1988 Annales francaises d'anesthesie et de reanimation Controlled trial quality: uncertain

640. A comparison of proparacaine and tetracaine eye anesthetics. (PubMed)

. This procedure was then repeated in the right eye with the other study solution. Pain scales were quantified by making measurements to the nearest millimeter from the point of scale origin to the point marked by the patient. The time interval until return of the corneal blink reflex was determined using a cotton wisp. Pain scores and the time to return of corneal reflex were analyzed by the Sign test and Wilcoxon rank-sum test, respectively, with significance defined as p < 0.05.Twenty-three subjects were

1995 Academic Emergency Medicine Controlled trial quality: uncertain

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