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hassan hashemi

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https://www.readbyqxmd.com/read/28514829/does-hofstetter-s-equation-predict-the-real-amplitude-of-accommodation-in-children
#1
Hassan Hashemi, Payam Nabovati, Mehdi Khabazkhoob, Abbasali Yekta, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: The aim was to determine the distribution and associated factors of accommodative amplitude (AA) in six- to 12-year-old children and compare the results with those calculated using Hofstetter's formula. METHODS: In a cross-sectional study in 2015, random sampling was done from urban and rural populations of Shahroud, northern Iran. Participating schoolchildren were examined for manifest, cycloplegic and subjective refraction, as well as uncorrected vision and visual acuity...
May 17, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28501443/meibomian-gland-dysfunction-and-its-determinants-in-iranian-adults-a-population-based-study
#2
Hassan Hashemi, Hadith Rastad, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: To estimate the prevalence of Meibomian gland dysfunction (MGD) and determine the associated factors in the general population in Iran. METHODS: This cross-sectional study is based on the data from the second phase of the Shahroud Eye Cohort Study conducted in 2014. Of the 4737 participants of the second phase, data was available for 4700 people; their mean age was 55.9±6.2 years and 2768 (58.9%) were women. Diagnosis of MGD was made based on the classification of the International Workshop on MGD as judged by the examining ophthalmologist...
May 10, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28463575/the-prevalence-of-strabismus-heterophorias-and-their-associated-factors-in-underserved-rural-areas-of-iran
#3
Hassan Hashemi, Payam Nabovati, Abbasali Yekta, Hadi Ostadimoghaddam, Bardia Behnia, Mehdi Khabazkhoob
PURPOSE: To determine the prevalence of different types of strabismus and heterophoria and their associated factors in underserved rural areas of Iran. METHODS: Two rural areas in the north and southwest of Iran were randomly sampled using multistage cluster sampling. Individuals aged over 1 year, totaling 3851, were invited to participate in the study. In addition to collecting demographic data, optometric examinations were performed for each participant. Unilateral and alternating cover tests were performed at far (6 m) and near (40 cm) to detect tropia and phoria, respectively, and the magnitude of the deviation was measured using alternating cover test and prism bar...
May 2, 2017: Strabismus
https://www.readbyqxmd.com/read/28451556/sensitivity-and-specificity-of-preschool-vision-screening-in-iran
#4
Hassan Hashemi, Abbasali Yekta, Ebrahim Jafarzadehpur, Hadi Ostadimoghaddam, Amir Asharlous, Payam Nabovati, Mehdi Khabazkhoob
BACKGROUND: To determine the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of the National Vision Screening Program for 7 yr old children in Iran. METHODS: In this cross-sectional study, eight cities in Iran were selected through multistage cluster sampling. Selected cities were Sari, Birjand, Ardabil, Mashhad, Bandar Abbas, Dezful, Yazd, and Arak, in Iran in 2013. Totally, 4614 schoolchildren were selected, 4106 of which participated in the study...
February 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28367525/the-distribution-of-orbscan-indices-in-young-population
#5
Hassan Hashemi, Mehdi Khabazkhoob, Negareh Yazdani, Hadi Ostadimoghaddam, Payam Nabovati, Raheleh Moravej, AbbasAli Yekta
PURPOSE: To determine the distribution of anterior eye biometry indices, such as keratometry pachymetry, anterior chamber depth (ACD), pupil diameter, and corneal diameter, as measured by Orbscan instrument in a young Iranian population. METHODS: A cross-sectional study was conducted, and subjects were selected through multistage cluster sampling from the students of Mashhad University of Medical Sciences. Objective and subjective refraction were performed followed by Orbscan imaging...
March 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28367522/corneal-thickness-measurements-with-scheimpflug-and-slit%C3%A2-scanning%C3%A2-imaging-techniques-in-keratoconus
#6
Mohammad Aghazadeh Amiri, Hassan Hashemi, Shahroukh Ramin, Abbasali Yekta, Azadeh Taheri, Payam Nabovati, Mehdi Khabazkhoob
PURPOSE: To determine the repeatability of corneal thickness measurements with Scheimpflug (Pentacam) and slit scanning (Orbscan) imaging techniques in different grades of keratoconus. METHODS: This study was conducted as a cross-sectional research. Imaging with Orbscan and Pentacam was performed on patients with different grades of keratoconus. With each device, 3 measurements were taken at 10 min intervals. Repeatability indices in different grades of keratoconus were calculated for each device...
March 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28346280/conjunctivochalasis-and-related-factors-in-an-adult-population-of-iran
#7
Hassan Hashemi, Hadith Rastad, Mohammad Hassan Emamian, Akbar Fotouhi
OBJECTIVES: To determine the prevalence of conjunctivochalasis and its determinants in a middle-aged Iranian population. METHODS: This population-based study was conducted in the context of the second phase of Shahroud Eye Cohort Study in 2014. Of 4,737 participants aged 45 to 69 years who participated in the second phase, the data of 4,702 participants were available for this report. A diagnosis of conjunctivochalasis was made based on the physician's judgment on ophthalmic examinations...
March 24, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28332896/the-distribution-of-macular-thickness-and-its-determinants-in-a-healthy-population
#8
Hassan Hashemi, Mehdi Khabazkhoob, AbbasAli Yekta, Mohammad Hassan Emamian, Payam Nabovati, Akbar Fotouhi
PURPOSE: To determine the distribution of macular thickness in a healthy Iranian population aged 45-69 years and its association with certain determinants. METHODS: All participants underwent optometric examinations including measurement of uncorrected and corrected visual acuity, objective refraction by retinoscopy, and subjective refraction. Subsequently, all participants underwent slit-lamp biomicroscopy followed by fundus examination through direct and indirect ophthalmoscopy, and optical coherence tomography (OCT) imaging under pupil dilation...
March 23, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28244932/photopic-mesopic-and-scotopic-visual-acuity-after-18-mw-cm2-accelerated-corneal-cross-linking
#9
Soheila Asgari, Hassan Hashemi, Mohammad Miraftab, Saied Shahhoseini, Ebrahim Jafarzadhpur, Shiva Mehravaran, Akbar Fotouhi
OBJECTIVES: One-year changes in uncorrected (UDVA) and corrected (CDVA) distance visual acuity under different lighting conditions after accelerated cross-linking (CXL) in patients with progressive keratoconus in comparison with nontreated cases. METHODS: In this nonrandomized clinical trial, the sample included 50 eyes in the CXL group and 40 eyes in the control group. Visual acuity was tested under photopic (100 lux), mesopic (20 lux), and scotopic (0.5 lux) lighting conditions at 6 months and 1 year...
February 27, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28222490/the-prevalence-of-convergence-insufficiency-in-iran-a-population-based-study
#10
Hassan Hashemi, Payam Nabovati, Mehdi Khabazkhoob, Hadi Ostadimoghaddam, Asgar Doostdar, Ehsan Shiralivand, Abbasali Yekta
PURPOSE: The aim was to determine the prevalence of convergence insufficiency and its relationship with age, gender and refractive error in a population-based study. METHODS: In this cross-sectional study, all residents over one year old in Mashhad city, in the north east of Iran, were sampled through random stratified cluster sampling. After selecting samples and their participation in the study, they all had eye examinations including the measurement of visual acuity, refraction, binocular vision assessment, including cover test, measurement of near point of convergence and fusional vergences and finally, slitlamp biomicroscopy...
February 21, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28188942/photorefractive-keratectomy-with-mitomycin-c-for-high-myopia-three-year-follow-up-results
#11
Hassan Hashemi, Yahya Salimi, Poopak Pir, Soheila Asgari
Photorefractive keratectomy (PRK) is a safe and effective surgical keratorefractive technique which is done with the application of mitomycin-C (MMC) in cases of high myopia to prevent the formation of corneal haze This study was conducted to evaluate 3-year visual acuity and quality outcomes of PRK-MMC in high myopia. This before-after study was conducted on 20 individuals (40 eyes) with myopia more than 6.0 diopter (D). Visual acuity and quality indices were evaluated before and three years after the procedure and their stability was examined between the 1st and 3rd years...
January 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28127543/national-action-plan-for-non-communicable-diseases-prevention-and-control-in-iran-a-response-to-emerging-epidemic
#12
REVIEW
Niloofar Peykari, Hassan Hashemi, Rasoul Dinarvand, Mohammad Haji-Aghajani, Reza Malekzadeh, Ali Sadrolsadat, Ali Akbar Sayyari, Mohsen Asadi-Lari, Alireza Delavari, Farshad Farzadfar, Aliakbar Haghdoost, Ramin Heshmat, Hamidreza Jamshidi, Naser Kalantari, Ahmad Koosha, Amirhossein Takian, Bagher Larijani
Emerging Non-communicable diseases burden move United Nation to call for 25% reduction by 2025 in premature mortality from non-communicable diseases (NCDs). The World Health Organization (WHO) developed global action plan for prevention and control NCDs, but the countries' contexts, priorities, and health care system might be different. Therefore, WHO expects from countries to meet national commitments to achieve the 25 by 25 goal through adapted targets and action plan. In this regards, sustainable high-level political statement plays a key role in rules and regulation support, and multi-sectoral collaborations to NCDs' prevention and control by considering the sustainable development goals and universal health coverage factors...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/28099283/the-characteristics-of-excimer-laser-refractive-surgery-candidates
#13
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
#14
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...
March 2017: Strabismus
https://www.readbyqxmd.com/read/28032097/discrimination-of-paederus-fuscipes-and-paederus-littoralis-by-mtdna-coi-pcr-rflp
#15
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
#16
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...
May 2017: Cornea
https://www.readbyqxmd.com/read/27960616/five-year-incidence-of-visual-impairment-in-middle-aged-iranians-the-shahroud-eye-cohort-study
#17
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
#18
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...
April 2017: 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
#19
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
#20
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)
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