background: it has been estimated that 67 million people worldwide are affected with a primary glaucoma and that one-third have primary angle closure glaucoma. we aimed to determine the biometric differences between the eyes of patients with acute attack of primary angle closure and their non-involved fellow eyes.   methods: twenty eight patients with acute attack of primary angle closure were ...

purpose: to evaluate the success rate of vitrectomy in giant retinal tears (gtr) and factors influencing it. methods: in an interventional case series, hospital records of 68 eyes of 63 patients operated for grt were reviewed. standard three port vitrectomy plus placement of an encircling band, retinopexy, and internal tamponade was performed for all eyes. possible influencing factors including...

purpose : round-the-clock on-demand availability and corneal cloudiness are the two major problems with animal eyes for surgical practice. the purpose of this investigation is to assess the usability of long-term deep freezing for the preservation of enucleated sheep eyes and the adjunctive role of intracameral cryoprotective agent on corneal clarity. methods : thirty-two enucleated fresh sheep...

Eales' disease is an idiopathic obliterative retinal vasculopathy that is treated with laser photocoagulation, and/or vitrectomy. In order to determine visual outcomes and regression of retinal neovascularization following scattered peripheral retinal photocoagulation, and/or vitrectomy in cases with Eales' disease, we did a retrospective study of the records of these patients treated in La...

In order to determine the effects of intraocular 0.05% povidone-iodine preparation in the prevention of bacterial endophthalmitis in a rabbit model, 28 albino rabbits were randomly assigned to 4 equal groups. A concentration of 5x 108 organisms (0.03 mL) in logarithmic growth phase of S. epidermidis, S. aureus, Proteus mirabilis and Pseudomonas aeruginosa, were injected separately in the a...

purpose: to compare the visual outcomes of four different therapeutic modalities for central retinal vein occlusion (crvo) with each other and with the natural course of the disease. methods: this study was conducted on 63 eyes of 63 patients including 13 eyes in the radial optic neurotomy (ron) group, 10 eyes in the combined ron and intraocular triamcinolone injection (ron/ iot) group, 12 eyes...

purpose: to determine the incidence and risk factors associated with glaucoma following congenital cataract surgery (ccs) in children under age of 15 methods: this prospective cohort (since 2006) consisted of children less than 15 years of age who underwent cataract surgery with or without intraocular lens (iol) implantation. the role of the following factors on the development of glaucoma afte...

purpose : to evaluate central corneal thickness (cct) in patients with juvenile glaucoma and compare it with that of normal individuals methods : a prospective, case-control study was performed on 80 eyes with juvenile glaucoma who attended glaucoma clinic in farabi eye hospital, tehran, iran and 107 clinically normal healthy eyes. standard automated perimetry (sap) was performed for all the pa...