Hassan Hashemi

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PURPOSE To compare the accuracy of  Sanders-Retzlaff-Kraff II (SRK II) and 3(rd) and 4(th) generation intraocular lens (IOL) formulas and to compare the effect of different anterior chamber depths among the IOL formulas in cataract patients with normal axial length (AL; 22.0-24.5 millimeters, mm). MATERIALS AND METHODS A retrospective chart review was(More)
PURPOSE To evaluate mutations in the visual system homeobox gene 1 (VSX1) and superoxide dismutase 1 (SOD1) genes with keratoconus (KTCN), direct sequencing was performed in an Iranian population. METHODS One hundred and twelve autosomal dominant KTCN patients and fifty-two unaffected individuals from twenty-six Iranian families, as well as one hundred(More)
PURPOSE Results of previous studies on the benefits of ocular drug delivery using polymeric mucoadhesive nanoparticles suggested longer presence and better penetration of nanoparticles, and, thus, increased effect and bioavailability of drugs entrapped in nanoparticles. In this study, a novel polymer, poly β-amino ester, was used for the preparation of(More)
The Shahroud Eye Cohort Study was set up to determine the prevalence and incidence of visual impairment and major eye conditions in the 40–64-year-old population of Shahroud as a Middle Eastern population. The first phase of the study was conducted in 2009–10. Using random cluster sampling, 6311 Shahroud inhabitants were invited for ophthalmologic(More)
Uterine fibroid is the most common benign tumor of the female in the world. Uterine volume measurement before and after surgery has an important role in predict and following the result of surgery. Fibroids segmentation in patient with multi fibroids is the challenging task manually. We propose tow step method for robustly segmentation of these cases. The(More)
BACKGROUND To determine the prevalence of cigarette smoking in Tehran and some of its determinants. METHODS In a cross-sectional population-based study, a sample from citizens of Tehran was obtained using stratified random cluster sampling. Through a face to face interview, data such as the history of smoking in the past (abstinence from smoking) and at(More)
The study aimed to fabricate and characterize a 2-part artificial cornea as a substitute for penetrating keratoplasty in patients with corneal blindness. The peripheral part of the artificial cornea consisted of plasma-treated electrospun poly (ɛ-caprolactone) (PCL) nanofibers, which were attached to a hydrogel disc of polyvinyl alcohol (PVA) as a central(More)
BACKGROUND The aim of this study is to determine eye care visits which are an indicator of eye care service utilization by Tehran population and its determinants. METHODS Through a population-based, cross-sectional study, 6497 Tehran citizens were sampled. All participants had complete eye examinations and an interview regarding demographic and(More)
PURPOSE To report on calculated lens power in adults in relation to other ocular components of refraction, analyzed in relation to secular change in height and education. METHODS The first phase of the Shahroud Eye Cohort Study is a cross-sectional population-based study in Iranian subjects 40 to 64 years old. Data on cycloplegic spherical equivalent(More)
The authors assessed the role of economic inequality in visual impairment and decomposed the gap between high and low income groups. Study data were extracted from the first phase of the Shahroud Eye Cohort Study, performed in 2009, with 5,190 participants aged between 40 and 64 years. The participants were divided into low, medium, and high economic groups(More)