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https://www.readbyqxmd.com/read/28099283/the-characteristics-of-excimer-laser-refractive-surgery-candidates
#1
Hassan Hashemi, Mehdi Khabazkhoob, Reza Pakzad, Abbasali Yekta, Marzieh Nojomi, Payam Nabovati
PURPOSE: To determine the demographic and refractive characteristics of excimer laser refractive surgery candidates in Iran. METHODS: This was a cross-sectional study between 2010 and 2014. All information was collected from 28 centers randomly selected from 12 provinces. Then, for each season of the year, one week was chosen through simple random selection, and within each week, 3 days were again chosen randomly. All excimer laser surgical procedures performed during these 3 days were identified by training staff, and data were extracted from patient charts...
January 17, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28095087/binocular-and-accommodative-characteristics-in-a-normal-population
#2
AbbasAli Yekta, Mehdi Khabazkhoob, Hassan Hashemi, Hadi Ostadimoghaddam, Somayeh Ghasemi-Moghaddam, Javad Heravian, Asgar Doostdar, Payam Nabovati
PURPOSE: To study binocular and accommodative characteristics and their associations with age and gender in an Iranian young adult population. METHODS: In this cross-sectional study, multistage cluster sampling was done from the students of Mashhad University of Medical Sciences. All participants had visual acuity, refraction, and cover tests followed by measurements of the near point of convergence (NPC), amplitude of accommodation (AA), monocular and binocular accommodative facility (MAF and BAF) using ±2...
January 17, 2017: Strabismus
https://www.readbyqxmd.com/read/28032097/discrimination-of-paederus-fuscipes-and-paederus-littoralis-by-mtdna-coi-pcr-rflp
#3
Sahar Bazrafkan, Hassan Vatandoost, Abbas Heydari, Hassan Bakhshi, Somayeh Panahi-Moghadam, Saedeh Hashemi-Aghdam, Fatemeh Mohtarami, Abbas Rahimiforoushan, Sinan Anlaandş, Mansoreh Shayeghi, Mohammad Ali Oshaghi, Seyed Mohammad Abtahi
BACKGROUND: Linear dermatitis is endemic in Iran where most cases occur in the Caspian Sea coast and Fars province. The disease is caused by beetles of the genus Paederus which are active from early spring to beginning of autumn although its incidence rises from May to August. The classic taxonomy of Paederus spp. is based on the male genitalia that is very complex and needs expertise. In this study, we report a DNA-based method to discriminate Paederus fuscipes and Paederus littoralis (=syn: P...
December 2016: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/27984365/mid-term-results-of-a-single-intrastromal-corneal-ring-segment-for-mild-to-moderate-progressive-keratoconus
#4
Mohammad Miraftab, Hassan Hashemi, Farhad Hafezi, Soheila Asgari
PURPOSE: To study the mid-term effects of implanting a single intracorneal ring segment (ICRS) for treatment of mild to moderate progressive keratoconus. METHODS: This retrospective study was conducted on patients with progressive keratoconus treated with ICRS. The mean follow-up time was 15.2 ± 8.8 (range, 7-26) months before and 27.8 ± 7.5 (range, 18-35) months after surgery. Patients received no other treatment during this time. Of the cases studied, 59.1% had inferior keratoconus...
December 14, 2016: Cornea
https://www.readbyqxmd.com/read/27960616/five-year-incidence-of-visual-impairment-in-middle-aged-iranians-the-shahroud-eye-cohort-study
#5
Hassan Hashemi, Shiva Mehravaran, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: To study the 5-year incidence of visual impairment and its causes and risk factors, in the middle-aged Iranian sample of the Shahroud Eye Cohort Study (ShECS). METHODS: Data from subjects who had participated in both phases of the ShECS were used to determine age- and sex-specific incidence rates of visual impairment using the World Health Organization (WHO) definitions for bilateral low vision (visual acuity, VA, >0.5 and ≤1.3 LogMAR in the better eye) and blindness (VA worse than 1...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27956045/biomechanical-properties-of-early-keratoconus-suppressed-deformation-signal-wave
#6
Hassan Hashemi, Asghar Beiranvand, Abbasali Yekta, Amir Asharlous, Mehdi Khabazkhoob
PURPOSE: To examine the diagnostic validity of different corneal biomechanical parameters for the detection of early keratoconus METHODS: Sixty-one eyes with a diagnosis of early keratoconus and 61 topographically normal eyes were enrolled in the study. All participants underwent testing with the Ocular Response Analyzer (ORA), and 40 indices from each cornea were included in the analysis. RESULTS: The mean (standard deviation: SD) of keratometry and central corneal thickness in keratoconic corneas was 46...
December 9, 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27942340/amiodaron-in-atrial-fibrillation-post-coronary-artery-bypass-graft
#7
REVIEW
Paria Habibollahi, Shahrzad Hashemi Jam, Samad Shams Vahdati, Hamidreza Morteza Baghi, Hassan Amiri
BACKGROUND: Atrial fibrilation (AF) is the most common complication following heart surgeries; it often occurs in patients after coronary artery bypass graft (CABG). The purpose of this review is to categorize prophylaxes or treatment by administration of Amiodaron in patients with CABG. DATA RESOURCES: We searched google scholar, pubmed, and Cochrane Library databases (the period 1970-2010) for articles on Amiodaron in CABG and cardiac surgery. A total of 1 561 articles were identified, and 30 articles met the criteria and were enrolled in this review...
2016: World Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27921328/comprehensive-profile-of-bilateral-astigmatism-rule-similarity-and-symmetry-patterns-of-the-axes-in-the-fellow-eyes
#8
Amir Asharlous, Mehdi Khabazkhoob, Abbasali Yekta, Hassan Hashemi
PURPOSE: To study rule similarity (isorule or anisorule) and symmetry patterns of axes (direct and mirror) in bilateral astigmatism. METHODS: Six years of data were collected from four ophthalmology clinics in Tehran. After applying the exclusion criteria (having eye disease or history of ocular surgery), final analyses were performed on data of 160 608 cases whose mean age was 39.2 ± 15.4 years (10-80 years) and 53.7% female. All subjects had autorefraction, retinoscopy, and subjective refraction data...
January 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/27830203/corneal-aberration-changes-after-rigid-gas-permeable-contact-lens-wear-in-keratokonic-patients
#9
Fereshteh Shokrollahzadeh, Hassan Hashemi, Ebrahim Jafarzadehpur, Ali Mirzajani, Mehdi Khabazkhoob, Abbasali Yekta, Soheila Asgari
PURPOSE: To determine the short-term effect of rigid gas permeable (RGP) contact lenses on corneal aberrations in keratoconic patients. METHOD: Sixteen keratoconic eyes with no history of RGP lens wear were included. They all had corneal aberrometry using Pentacam, and different aberration indices of the anterior and posterior surfaces of the cornea were measured before and 3 months after fitting RGP lenses. The effect of baseline parameters on these changes was tested in univariate and multiple models...
December 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27830202/comparison-of-the-visual-acuity-after-photorefractive-keratectomy-using-early-treatment-diabetic-retinopathy-study-chart-and-e-chart
#10
Saeedeh Ghorbanhosseini, Hassan Hashemi, Ebrahim Jafarzadehpur, Abbasali Yekta, Mehdi Khabazkhoob
PURPOSE: To compare the visual responses of post refractive surgery's patients using Early Treatment Diabetic Retinopathy Study Chart (ETDRS) and E-chart with and without color filters. METHODS: The uncorrected Logarithm of the Minimum Angle of Resolution Visual Acuity (LogMAR VA) of 70 patients with a mean age of 26.2 ± 3.76 years (from 19 to 34 years) who had undergone Photorefractive Keratectomy (PRK) (the range of post operation refractive error: ±0.5 D) was measured under the light conditions of with and without asymmetrical glare by using red, green, and yellow filters and ETDRS chart and E-chart...
December 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27830198/trachoma-past-present-and-future
#11
REVIEW
Mehrdad Mohammadpour, Mojtaba Abrishami, Ahmad Masoumi, Hassan Hashemi
PURPOSE: To review the background, epidemiology and current management of trachoma in endemic areas and worldwide. METHODS: Review of literature. RESULTS: Trachoma is one of the leading causes of preventable blindness in developing countries. It was reported as one of the seven most neglected tropical diseases that can be prevented via drug administration. Its infliction is primarily aimed at those living in areas deprived of clean water and proper sanitation...
December 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27802816/retraction-note-histopathological-and-clinical-evaluation-of-kombucha-tea-and-nitrofurazone-on-cutaneous-full-thickness-wounds-healing-in-rats-an-experimental-study
#12
Fardin Barati, Javad Javanbakht, Farajollah Adib-Hashemi, Ehsan Hosseini, Reyhaneh Safaeie, Mojtaba Rajabian, Mostafa Razmjoo, Reza Sedaghat, Mehdi Aghamohammad Hassan
No abstract text is available yet for this article.
November 2, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27749472/higher-order-aberrations-after-cyclopentolate-tropicamide-and-artificial-tear-drops-application-in-normal-eyes
#13
Negin Amirshekarizadeh, Hassan Hashemi, Ebrahim Jafarzadehpur, Ali Mirzajani, Abbasali Yekta, Mehdi Khabazkhoob
PURPOSE: To determine the effect of cyclopentolate, tropicamide, and artificial tear drops on higher-order aberrations (HOAs) in normal eyes with OPD-Scan III (Nidek Inc., Tokyo, Japan). METHODS: In this study, 189 eyes of individuals aged 20 to 35 years were selected as samples. Inclusion criteria were a corrected visual acuity of 20/20 or better, a minimum size of about 5 mm for the pupil in the dark, hyperopia and myopia less than 5 D, and astigmatism less than 2 D...
September 30, 2016: Eye & Contact Lens
https://www.readbyqxmd.com/read/27727492/retinal-nerve-fibre-layer-thickness-in-a-general-population-in-iran
#14
Hassan Hashemi, Mehdi Khabazkhoob, Payam Nabovati, Abbasali Yekta, Mohammad Hassan Emamian, Akbar Fotouhi
BACKGROUND: To determine retinal nerve fibre layer (RNFL) thickness distribution and its related factors in a general population of 45 to 69 year olds in Iran. DESIGN: Population-based cross-sectional study. PARTICIPANTS: Of the 5190 participants of phase one of Shahroud Eye Cohort Study, 4737 participated in Phase two (participation rate = 91.3%). METHODS: All study participants underwent visual acuity measurement, refraction tests, slit lamp examination and ophthalmoscopic fundus exam...
October 11, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27699605/femtosecond-laser-assisted-lasik-versus-prk-for-high-myopia-comparison-of-18-month-visual-acuity-and-quality
#15
Hassan Hashemi, Reza Ghaffari, Mohammad Miraftab, Soheila Asgari
PURPOSE: To compare 18-month outcomes between femtosecond laser-assisted LASIK (femto-LASIK) and photorefractive keratectomy with mitomycin-C (PRK-MMC) for myopia of more than 7.0 D in terms of visual acuity and quality. METHODS: In this comparative nonrandomized clinical trial, 60 eyes from 30 patients (30 eyes in each group) were enrolled. The two procedures were compared in terms of 18-month changes in uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refraction spherical equivalent, ocular and corneal higher order aberrations (HOAs), and contrast sensitivity (CS)...
October 3, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27588277/distribution-of-intraocular-pressure-and-its-determinants-in-an-iranian-adult-population
#16
Hassan Hashemi, Mehdi Khabazkhoob, Mohammad Hassan Emamian, Mohammad Shariati, Abbasali Yekta, Akbar Fotouhi
AIM: To determine the distribution of intraocular pressure (IOP) and its determinants in an Iranian population. METHODS: In a cross-sectional survey, random cluster sampling was conducted from the 40-64 years old population of Shahroud, in the north of Iran. All participants had optometry and ophthalmic exams. IOP was determined using the Goldmann tonometry method and biometric components were measured. RESULTS: Of the 6311 people selected for the study, 5190 (82...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27579459/the-prevalence-of-ptosis-in-an-iranian-adult-population
#17
Hassan Hashemi, Mehdi Khabazkhoob, Mohammad Hassan Emamian, Abbasali Yekta, Ali Jafari, Payam Nabovati, Akbar Fotouhi
PURPOSE: To determine upper eyelid ptosis prevalence and some related factors in 44- to 69-year-olds of Shahroud in the north of Iran. METHODS: In 2009, using multi-stage cluster sampling, 300 clusters of 40-64-year-olds were selected in Shahroud city, and all 5190 participants were invited to be re-examined in 5 years (2014). The current report is the second phase of the study in which 4737 (91.3%) people participated and underwent vision tests, slit lamp examination, biometry, and ophthalmoscopy in 2014...
September 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27579458/estimation-of-the-hybrid-lens-parameters-through-rigid-gas-permeable-lens%C3%A2-fitting
#18
Mohammadali Hasani, Hassan Hashemi, Ebrahim Jafarzadehpur, Abbas Ali Yekta, Nooshin Dadbin, Mehdi Khabazkhoob
PURPOSE: To estimate the fitting parameters of the hybrid contact lens in patients with corneal ectasia using the rigid gas permeable (RGP) lens. METHODS: Thirty-four eyes with corneal ectasia were evaluated in this study. The patients were examined once with the RGP lens and once with the hybrid contact lens. The relationship between the base curvature of the RGP and the vault of the hybrid lens and the correlation between their powers were analyzed. RESULTS: We found a linear relationship between the base curvature of the RGP lens and the vault of the hybrid lens (P < 0...
September 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27579457/does-astigmatism-alter-with-cycloplegia
#19
Amir Asharlous, Hassan Hashemi, Ebrahim Jafarzadehpur, Ali Mirzajani, Abbasali Yekta, Payam Nabovati, Mehdi Khabazkhoob
PURPOSE: To determine the effect of the cyclopentolate 1% on the cylindrical and spherical components of the refraction. METHODS: Three hundred seventy-five eyes of 195 subjects, including 74 males and 121 females, aged from 3 to 59 years were refracted before and 30 min after cyclopentolate 1% eye drop instillation. To compare cylindrical data, power vector analysis (J0 and J45 cross cylinder) was applied. RESULTS: A statistically significant difference between the J0 values of the noncycloplegic and cycloplegic refraction was revealed (P = 0...
September 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27579454/correlation-of-higher-order-aberrations-and-components-of-astigmatism-in-myopic-refractive-surgery-candidates
#20
Mehrdad Mohammadpour, Zahra Heidari, Hossein Mohammad-Rabei, Ebrahim Jafarzadehpur, Mahmoud Jabbarvand, Hassan Hashemi, Mehdi Khabazkhoob
PURPOSE: To evaluate the correlation between refractive, corneal, and residual astigmatism and higher order aberrations (HOA) in refractive surgery candidates. METHODS: Three hundred and seventy-five eyes of 188 patients aged 28.2 ± 6.24 years with a predominance of females (62.7%) were enrolled in this study. Refraction, topography (Orbscan IIz, Bausch & Lomb, Rochester, NY, USA), and aberrometry (Zywave, Bausch & Lomb, Rochester, NY, USA) were performed to determine refractive and corneal astigmatism and HOA for all participants...
September 2016: Journal of Current Ophthalmology
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