purpose : to evaluate indications, risk factors and outcome of repeat penetrating keratoplasty (pkp) at a tertiary referral eye care center methods : in this retrospective study, medical chart of patients who underwent repeat pkp at labbafinejad medical center between january 2004 and december 2009 were reviewed. results : a total of 1,859 corneal transplantations were performed on 1,624 eyes d...

purpose: to report a case of pseudoexfoliation syndrome in young keratoconus patient following penetrating keratoplasty. case report: a 37 year old man who underwent penetrating keratoplasty 13 years ago in his left eye due to keratoconus developed pseudoexfoliation (pex) syndrome in the operated eye. apart from pex material deposition on the crystalline lens ophthalmic exam was within normal l...

background penetrating and impalement injuries of the hand and fingers are one of the commonest presentations at the hospital’s emergency rooms. this study assessed the characteristics of patients who suffered foreign body injuries to the hands and documented the pattern of diagnosis and management at a specialist plastic surgical facility. methods the study was conducted at the department of p...

purpose: to evaluate changes in graft steepness after graft refractive surgery (grs) and to discover influential factors and a coefficient to predict the amount of postoperative shift. methods: keratoconic patients with history of penetrating keratoplasty (pkp) who underwent grs due to high post-pkp astigmatism were included. changes in mean keratometry after grs were evaluated to find possible...

Introduction: Penetrating cardiac injuries generally occur secondary to gunshot or stab wounds and have a high mortality rate. They are rare and often fatal in children. When a foreign object penetrates the myocardium, it is dangerous to remove it, suddenly, and should be removed gradually to prevent excessive bleeding. Case report: We report a case of an unusual penetrating cardiac injury in a...

purpose: to report the outcomes of graft refractive surgery (grs) together with clear-cornea phacoemulsification and intraocular lens (iol) implantation in post-penetrating keratoplasty (pkp) eyes. methods: fourteen eyes of 13 patients who had received pkp underwent simultaneous grs (relaxing incisions with or without counter-quadrant compression sutures) and clear-cornea phacoemulsification wi...

a 37 - year- old man came to the hospital with a history of penetrating thoracoabdominal trauma due to gunshot wound in 10 days before. he underwent laparatomy and hepatorrhaphy in that time and right sided chest tube was inserted. chest ct scan revealed metallic foreign body in lung tissue due to bullet burst. right thoracotomy was performed and metallic foreign body extracted from lung tissue

BACKGROUND Placebo needles that can mask acupuncture practitioners to the type of needle used have been considered almost impossible to develop until now. METHODS We designed a double-blind non-penetrating placebo needle, the needle tip of which simply presses against the skin, and a matched penetrating needle. The needles are encased inside an opaque guide tube and the appearance and feel of...

this is an observational case series study on penetrating trauma admissions in three teaching hospitals in tehran from 1996 to 1997. in order to describe the epidemiology and determine the ways of improving treatment of penetrating injuries, we selected 410 patients with penetrating injuries and injury severity scores (iss) of more than 7 (the maximum iss is 75) out of 3580 trauma patients, hos...

ocular trauma is an important cause of ocular morbidity in children. at present only limited studies regarding distribution of ocular trauma exist in iran. this study was performed to define epidemiologic characteristics and clinical profile of ocular trauma in children and to discuss management and final outcomes of such injuries. the files of 60 patients aged 16 years or younger who had been ...