objective: to determine the sensivity and specifity of ocular ultrasonography in detecting vitreoretinal lesion prior to deep vitrectomy in patients with opaque media. method: the hospital records of patients undergoing deep vitrectomy in a defined period at shiraz khalili hospital were reviewed. sonographic reports given by a sonologist and operation reports given by a vitreoretinal fellowship...

Leeches are segmented worms belonging to Phylum Annelida and make up the subclass Hirudinea. Leeches have been historically used in medicine to suck blood from patients. Ocular infestation with leech is rare, moreover it is often misdiagnosed. In this report, we describe 2 patients with continuous bright ocular bleeding after swimming in a pool, and pseudo iris prolapse in a child after trauma ...

Background and objective Aside from direct toxic effects, Sulfur Mustard (SM) induced serum hormone abnormalities may aggravate ocular complaints, including Ocular Surface Discomfort (OSD) (burning, itching, and redness), dry eye sensation, photophobia, blurred vision, foreign body sensation, and pain. The aim of the current study was to investigate the possible associ...

original article   to determine the association between ocular biometric components and near work in bank employees.this study was conducted as an analytical cross-sectional study. a group of bank employees and a control group were randomly selected. after applying the inclusion criteria, all selected subjects had a set of examinations including refraction, uncorrected and corrected visual acui...

purpose: to compare intraocular pressure (iop) readings measured by the ocular response analyzer (ora) with those measured by the goldmann applanation tonometer (gat) in keratoconic eyes following penetrating keratoplasty (pkp) and to evaluate the influence of anatomical and biomechanical properties of the grafts on iop measurements. methods: this cross-sectional study was conducted on 45 kerat...

objective(s): ketotifen fumarate (kf) is a selective and noncompetitive histamine antagonist (h1-receptor) that is used topically in the treatment of allergic conditions of rhinitis and conjunctivitis. the aim of this study was to formulate and improve an ophthalmic delivery system of kf.ocular nanoparticles were prepared with the objective of reducing the frequency of administration and obtain...

purpose: to determine the distribution of axial length (al), vitreous chamber depth (vcd), anterior chamber depth (acd), lens thickness (lt), lens power (lp), radius of curvature (cr), and white-to-white corneal diameter (wtw) in the 14-20 year age range methods: in a cross-sectional study, sampling was done from aligoodarz high schools using multistage simple cluster sampling. for all students...

purpose : ophthalmoplegia makes many physicians to refer the patients to neurologists and/or ophthalmologists for neuro-ophthalmic evaluation. ophthalmoplegia has different etiologies some of which may be very harmful and need urgent intervention. prevalence of the disease is not obvious. this study is designed to evaluate the various etiologies and their prevalence in this disorder. methods : ...

purpose : to investigate long-term ocular manifestations of ocular behcet’s disease (bd), and the causes for blindness methods : in august 2008, at shariati hospital of tehran (behcet unit) all files of the ocular bd patients from 1976 to 2008 who were legally blind (visual acuity=20/200 or less) at least in one eye at the last visit and had at least three years of follow-up were reviewed and t...