purpose : childhood blindness due to retinopathy of prematurity (rop) is an important concern, but this blindness or severe visual impairment may be prevented if at risk infants are screened before occurrence of advanced stages. in this study, we tried to find the role of parental education about rop in parents’ compliance for on-time attendance for rop screening. methods : demographic factors ...

purpose: to estimate the magnitude and causes of visual impairment (vi) in subjects aged ≥ 50 years in varamin district in 2009 using the proposed method by the world health organization (who). method: this cross sectional population based survey was performed in varamin targeting people over the age of 50 years using the proportional probabilities to size and cluster compact segment sampling m...

Access to, and doing mathematics, is one of the biggest obstacles for blind students in school and at the university. Our special thematic session (STS) will present new approaches to offering blind students better access to mat, to provide new tools for doing math and offer support tools to math teachers to help them offer better instruction to blind students. In the remainder of this short pa...

“Suppose a man born blind, and now adult, and taught by his touch to distinguish between a Cube, and a Sphere of the same metal, and nighly of the same bigness, so as to tell, when he felt one and t’other, which is the Cube, which the Sphere. Suppose then the Cube and Sphere placed on a Table, and the Blind Man to be made to see. Quære, whether by his sight, before he touched them, he could now...