purpose: to determine the effect of occluding a normal eye on visual acuity, contrast sensitivity and stereopsis in amblyopic school children. methods: amblyopic children from primary schools of region 2 in mashhad were identified and referred to optometry clinics of mashhad medical university through a screening program. informed consent was obtained from the parents. all subjects underwent an...

purpose: to evaluate the efficacy of radial optic neurotomy (ron) combined with or without intravitreal triamcinolone acetonid (ivta) injection in the management of central retinal vein occlusion (crvo). methods: this non-randomized clinical trial was conducted on 23 patients with crvo, who underwent ron with or without ivta injection. preoperative and postoperative best corrected visual acuity...

purpose: to report a case of spinal cord tumor with visual symptoms and papilledema due to increased intracranial pressure. patient and findings: a 24-year-old woman was referred because of recent blurred vision in both eyes. visual acuity was 20/25 and 20/20 in the right and left eyes, respectively. fundoscopy revealed bilateral papilledema. other ophthalmic examinations were normal. visual fi...

PURPOSE To determine the presenting visual acuity (VA) of patients with primary open angle glaucoma (POAG) and the relationship to ocular comorbidity. MATERIALS AND METHODS A retrospective case note audit was undertaken in Eye Foundation Hospital, Calabar, between 1st January 2010 and 31st June 2011. The case notes of all newly presenting patients diagnosed with POAG were retrieved and data w...

To investigate the prevalence and causes of visual impairment and blindness in a sample of Polish older adults. The study was designed in a cross-sectional and observational manner. Data concerning the vision status were assessed in 2214 eyes from 1107 subjects of European Caucasian origin; most of whom live in the city of Lodz, in central Poland. Visual impairment was defined as distance visua...

purpose: to evaluate the effect of location and size of chalazia on refractive error, corneal topography and visual acuity. methods: this randomized non-controlled clinical trial was conducted on patients with chalazion aged more than 3 years with minimum duration of one month. all patients underwent chalazion excision by the internal or external approach. results: two-hundred and fifty-three e...

PURPOSE To compare the levels of serum cortisol and testosterone in acute and chronic central serous chorio-retinopathy (CSC). METHODS Serum cortisol and testosterone levels in 30 patients with either acute or chronic CSC were evaluated using chemiluminescent immunoassay. RESULTS The mean age was 42.43 ± 6.37 years (range, 32 to 56 years). The mean 8:00 to 9.00 a.m. serum cortisol level was...