photorefractive keratectomy (prk) is a safe and effective surgical keratorefractive technique which is done with the application of mitomycin-c (mmc) in cases of high myopia to prevent the formation of corneal haze this study was conducted to evaluate 3-year visual acuity and quality outcomes of prk-mmc in high myopia. this before-after study was conducted on 20 individuals (40 eyes) with myopi...

objectives: the visual-motor skill is one of the major factors in the learning process. visual-spatial and visual analysis skills are components of the visual motor skill. any deficiency in visual-motor skills and their components often causes problem in writing and learning processes in children. the aim of this study was to investigate the effect of occupational therapy (o.t.) intervention on...

according to reports about 30-thousand people spent watching television had the impact on their memory and recall that the results showed no differences between men and women. the people who watched less than an hour a day did better at every memory function. as these contributors watched negative political ads, physiological responses indicated that their body was reflexively preparing to move...

like bodily, physiological, and psychological skills which are commonly assessed in professional sport, assessment of visual skills is also of high importance. in this regard, and in order to organize teams efficiently, the skills of each player, considering his/her post in the pitch, should be developed for superiority over the opponent. the present study attempts to clarify if there is a mean...

the aim of this study was to compare the level of agreement between four operators with different levels of experience for two methods of detecting secondary enamel and dentin carious lesions in composite restored teeth.sixty teeth of 40 patients with with secondary carious lesions in the composite resin were selected. the teeth were examined by two methods; visual inspection and a laser fluore...

retinoblastoma is a retinal malignant tumor that occurs in early childhood. the annual incidence of retinoblastoma is approximately one per 14 000 live births. 250 to 300 new cases are reported in the united states each year. it develops due to inactivation of both alleles of the retinoblastoma susceptibility (rb1) gene. all hereditary cases (55%) are with bilateral and multifocal lesions, but ...

purpose: to determine the anatomical sites and causes of severe visual impairment (svi) and blindness in children attending a school for the blind in ahvaz. methods: in this case series study, all 51 students of the only school for the blind in ahvaz were examined by two ophthalmologists. blindness and svi were defined according to the world health organization (who) criteria as visual acuity l...