Orbital and preseptal cellulitis: a 10-year survey of hospitalized patients in a tertiary eye hospital in Iran.

To evaluate the demographic and clinical features of orbital cellulitis (OC) and preseptal cellulitis (PC) in a tertiary eye hospital over a 10-year period. This is a retrospective study of files of patients defined as OC or PC admitted to Labbafinejad Hospital, Tehran, Iran, in which clinical specificities and results of treatment and complications were reviewed. A total of 93 records of patients with OC or PC were identified from 1997 to 2007.

Electrochemistry of raloxifene on glassy carbon electrode and its determination in pharmaceutical formulations and human plasma.

The electrochemical behavior of raloxifene (RLX) on the surface of a glassy carbon electrode (GCE) has been studied by cyclic voltammetry (CV). The CV studies were performed in various supporting electrolytes, wide range of potential scan rates, and pHs. The results showed an adsorption-controlled and quasi-reversible process for the electrochemical reaction of RLX, and a probable redox mechanism was suggested.

Enhanced generation of retinal progenitor cells from human retinal pigment epithelial cells induced by amniotic fluid.

Background: Retinal progenitor cells are a convenient source of cell replacement therapy in retinal degenerative disorders. The purpose of this study was to evaluate the expression patterns of the homeobox genes PAX6 and CHX10 (retinal progenitor markers) during treatment of human retinal pigment epithelium (RPE) cells with amniotic fluid (AF), RPE cells harvested from neonatal cadaver globes were cultured in a mixture of DMEM and Ham's F12 supplemented with 10% FBS. At different passages, cells were trypsinized and co-cultured with 30% AF obtained from normal fetuses of 1416 weeks gestational age.

Lacrimal gland lymphangioma: report of a case and review of literature.

Herein, we present a patient with acute proptosis and inferonasal displacement of the right eye. CT scan showed heterogeneous enlargement of the right lacrimal gland. During surgical exploration, a dark liquid exuded from the lacrimal gland and histopathology confirmed a diagnosis of lymphangioma.

Outcomes of levator resection at tertiary eye care center in Iran: a 10-year experience.

Purpose: To assess outcomes of levator resection for the surgical correction of congenital and acquired upper lid ptosis in patients with fair to good levator function and evaluation of the relationship between demographic data and success of this operation.

Methods: In a retrospective study, medical records of patients with blepharoptosis who had undergone levator resection over a 10-year period and were followed for at least 3 months were reviewed.

Results: Overall, 136 patients including 60 (44.

Simultaneous separation and determination of trace amounts of Cd(II) and Cu(II) in environmental samples using novel diphenylcarbazide modified nanoporous silica.

A novel sorbent for simultaneous separation of cadmium and copper was prepared by functionalizing SBA-15 nanoporous silica with diphenylcarbazide. A solid-phase extraction method using the above sorbent has been developed to separate and concentrate trace amount of cadmium and copper ions from environmental samples by flame atomic absorption spectrophotometry measurements. The optimum experimental conditions such as pH, flow rates, type and the smallest amount of eluent for elution of cadmium and copper ions, break through volume and effect of coexisting ions on the separation and determination of cadmium and copper ions were evaluated.

Preparation and application of poly(2-amino thiophenol)/MWCNTs nanocomposite for adsorption and separation of cadmium and lead ions via solid phase extraction.

A new method which utilizes a multiwalled carbon nanotubes/poly(2-amino thiophenol) nanocomposites as an effective sorbents in solid-phase extraction has been developed for separation and preconcentration of Cd(II) and Pb(II) trace levels in environmental samples. The method is based on the adsorption of heavy metals on macromolecular chains due to sharing an electron pair of N and S groups of conducting polymer with cadmium and lead ions. The results indicate the novel nanocomposite presents a high affinity for heavy metals due to the presence of several good extractive sites (S and N) which are introduced to the synthesized nanocomposite.

Globe fixation with homologous temporalis fascia transplant for treatment of restrictive esotropia strabismus: an interventional case report and review of the literature.

Purpose: To report a case of fat adherence complication syndrome after pterygium surgery, sufficiently severe enough to create a recurring significant extraocular motility problem and its ultimate novel and successful management.

Method: A 75 year old man was referred with an acquired large angle esotropia after pterygium surgery. Multiple previous strabismus surgeries to relieve the esotropia had already been performed but failed.

Direct tarsus to frontalis muscle sling without flap creation for correction of blepharoptosis with poor levator function.

Purpose: To report the outcomes of ptosis surgery in patients with weak levator function utilizing the direct tarsus to frontalis muscle sling technique without creation of a flap.

Methods: In a prospective nonrandomized case series over a 3-year period, patients with ptosis and weak (less than 4 mm) levator function underwent direct sling of the tarsus to frontalis muscle without creating any flap. Success was defined as upper lid margin to central corneal reflex distance of at least 3 mm in bilateral cases and a difference of less than 1 mm in unilateral cases.

Successful treatment of orbital hemangioma with propranolol in a 5-year-old girl.

We report a 5-year-old girl, who presented with proptosis due to an orbital capillary hemangioma. After 8 months of treatment with oral propranolol at a dose of 2 mg/kg/day, the mass reduced significantly in size and regrowth was not observed within 20 months of follow-up.

Evaluation of PAN-based manganese dioxide composite for the sorptive removal of cesium-137 from aqueous solutions.

Hydrous manganese dioxide-polyacrylonitrile (MnO(2)-PAN) was chemically synthesized and evaluated, as an organic-inorganic composite material, for the removal of radio-contaminant cesium-137 from aqueous solutions. The physico-chemical characterization was carried out by Fourier transform infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD), CHN elemental analysis, scanning electron microscopy (SEM), nitrogen adsorption-desorption studies and thermogravimetry-differential scanning calorimetry (TGA-DSC). Batch experiments were carried out as a function of contact time, interference of the coexisting ions and initial pH of adsorptive solution applying a radiotracer technique.

The clinical manifestation, evaluation and surgical management of sphenoid sinus mucoceles: a case series and literature review.

Objective: This study was designed to describe clinical manifestation, treatment and outcomes in patients with sphenoid sinus mucocele presenting to Amiralam Hospital, Tehran, Iran.

Methods: A review of 43280 medical records covering a period of 10 years included just 12 patients with sphenoid sinus mucocele presenting to our teaching centre.

Results: The mean age of the patients was 35 years (ranging from 19 to 52 years).

Loss of binocular vision (diplopia) and acute comitant esotropia following surgical patch removal after unilateral penetrating keratoplasty for keratoconus; management.

Purpose: To report a case of acute comitant esotropia after monocular penetrating keratoplasty (PKP).

Case Report: We present a 17 year old male patient with bilateral keratoconus who underwent penetrating keratoplasty in his right eye. He experienced diplopia after removal of the patch from the operated eye due to a new comitant esotropia in his left (unoperated) eye.

Globe perforation during strabismus surgery in an animal model: Treatment versus observation.

Purpose: To evaluate the role of cryopexy or laser therapy versus observation for management of accidental globe perforation during strabismus surgery in an experimental animal model.

Methods: An S-24 needle was passed through the sclera and into the vitreous cavity in both eyes of 42 rabbits. Cryopexy was performed in 22 eyes, and laser therapy was applied in 20 other eyes; the 42 untreated fellow eyes served as controls.

Witches'-Broom Disease of Lime Affects Seed Germination and Seedling Growth But Is Not Seed Transmissible.

Witches'-broom disease of lime (WBDL), caused by 'Candidatus Phytoplasma aurantifolia', has devastated many Mexican lime orchards and is currently a threat to lime production in neighboring provinces of southern Iran. Several reports have suggested transmission and spread of WBDL phytoplasma through the seed of infected plants. In the present study, claims of seed transmission of this phytoplasma were examined.

Improving the Practice of Nutrition Therapy in the NRITLD Critically Ill Patients: An International Quality Improvement Project.

Background: In previous decades several studies have been performed demonstrating that providing appropriate nutritional support to intensive care unit patients affects complications, time of mechanical ventilation, length of ICU stay, and risk of death. In this study we provided a report of nutrition statuses in Masih Daneshvari's ICU as compared to 156 ICUs from 20 countries that participated in an international nutrition survey.

Materials And Methods: All patients admitted to an intensive care unit during a specified one-month period who required artificial nutrition were included in this study.

Application of the UNIFAC model for prediction of surface tension and thickness of the surface layer in the binary mixtures.

Surface properties of binary mixtures of (alkanol with acetonitrile) have been measured by surface tension method at T=298.15 K and atmospheric pressure. The UNIFAC method is used for calculation activity coefficients of surface and bulk phases.

Familial Simpson-Golabi-Behmel syndrome: studies of X-chromosome inactivation and clinical phenotypes in two female individuals with GPC3 mutations.

Simpson-Golabi-Behmel syndrome (SGBS) is an overgrowth/multiple congenital anomalies syndrome with an X-linked inheritance. Most cases of SGBS are attributed to mutations in the glypican 3-gene (GPC3), which is highly expressed in the mesodermal embryonic tissues and involves in a local growth regulation. Typical clinical features include pre/postnatal overgrowth, developmental delay, macrocephaly, characteristic facies with prominent eyes and macroglossia, diaphragmatic hernia, congenital heart defects, kidney anomalies, and skeletal anomalies.

Hermansky-pudlak syndrome; a case report.

Purpose: To report a case of Hermansky-Pudlak syndrome.

Case Report: A seven-year-old boy presented with marked generalized hypopigmentation, ocular exodeviation and nystagmus. He had history of easy bruising.

Alfalfa (Medicago sativa L.) shoot saponins: identification and bio-activity by the assessment of aphid feeding.

Biochemical components in alfalfa (Medicago sativa L.), such as saponins, can act as protecting factors against bio-stresses. Saponins are also antifeedants and show oral toxicity towards higher and lower animals.

Accommodative changes after photorefractive keratectomy in myopic eyes.

Purpose: To determine the changes of amplitude of accommodation (AA) and facility of accommodation (FA) in myopic patients after photorefractive keratectomy (PRK).

Methods: Using Technolas 217Z excimer laser, 160 myopic eyes of 80 patients underwent PRK. The patients were categorized into two age groups: <30 and ≥30 years.

Clinicopathological study of lacrimal sac specimens obtained during DCR.

Purpose: To determine the histopathologic characteristics of lacrimal sac specimens in adult patients undergoing external dacryocystorhinostomy (DCR) for acquired nasolacrimal duct obstruction.

Methods: A total of 471 lacrimal sac biopsies were obtained from 449 patients undergoing external DCR for symptoms or signs of acquired nasolacrimal duct obstruction and examined histopathologically.

Results: A total of 449 subjects including 283 (63%) female and 166 (37%) male subjects with mean age of 50.

The effect of horizontal rectus muscle surgery on clinical and eye movement recording indices in infantile nystagmus syndrome.

Objective: To determine the relationship between horizontal rectus muscle surgery and eye movement recording in infantile nystagmus syndrome.

Methods: In this prospective, interventional, non-randomized study, patients with infantile nystagmus syndrome were assigned to one of three treatment groups. Group I with head postures of less than 20 degrees , binocular visual acuity of less than 20/30, and heterotropia less than 30(Delta) underwent recessions of all 4 horizontal rectus muscles.

Transcutaneous dysport injection for treatment of upper eyelid retraction associated with thyroid eye disease.

Purpose: To evaluate the safety and efficacy of transcutaneous injections of botulinum toxin type A (Dysport) in the treatment of upper lid retraction associated with thyroid eye disease (TED).

Methods: A total of 25 eyes of 16 patients including 11 female and 5 male subjects with stable TED condition were enrolled into the study. Mean age was 35.

Two different presentations of orbital echinococcosis: a report of two cases and review of the literature.

Purpose: To report two patients with different presentations of orbital echinococcosis, namely hydatid and alveolar cysts and to compare their clinical, imaging and histopathologic findings and treatment.

Methods: This retrospective study includes two young rural children who were referred because of progressive proptosis.

Results: Orbital imaging in both cases revealed cystic intraorbital lesions.