Silvana Artioli Schellini

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PURPOSE Synthetic hydroxyapatite and porous polyethylene (Polipore) spheres were placed in rabbits' eviscerated cavities to evaluate tissue reaction and volume maintenance. METHODS Fifty-six Norfolk albino rabbits underwent unilateral evisceration and implantation of synthetic hydroxyapatite (H group, 28 animals) or porous polyethylene spheres (P group,(More)
BACKGROUND Solitary fibrous tumor (SFT) is a rare, benign, and very uncommon lesion in the orbit. Because of its complex and variable clinical and histological appearance the SFT is often misdiagnosed. CASES Two new cases of orbital SFT are reported, one in a man and the other in a woman, both unilateral and in the superomedial orbit. OBSERVATIONS(More)
BACKGROUND This paper reports population-based data on the prevalence and causes of visual impairment among children and adults in Botucatu, Brazil. METHODS A population-based cross-sectional study was conducted involving a random start point and then systematic sampling of an urban Brazilian population in the city of Botucatu. There were approximately(More)
PURPOSE To investigate the dynamics of ocular eyelid movements in newborn infants and preschool-age children. METHODS Fifty newborn infants and 200 preschool children aged 4-6 years were examined. Images of each child, with his or her eyes in the primary eye position looking at an object placed at the child's height, were recorded with a digital(More)
PURPOSE To evaluate the prevalence of type 2 diabetes mellitus and diabetic retinopathy (DR) in a Brazilian population. METHODS Population-based, cross-sectional study conducted in 9 cities located in the Midwest region of the state of São Paulo, Brazil, between 2006 and 2007, including 4690 individuals aged ≥30 years. Diabetes was self-reported and DR(More)
A retrospective observational study was performed in order to evaluate the possibility of spontaneous resolution of tearing in the congenital nasolacrimal obstruction (CNLO). Twenty-seven CNLO child carriers with spontaneous tearing resolution were evaluated according to sex, age of starting and end of symptoms. The data were evaluated by the Chi-Square(More)
PURPOSE To evaluate the possibility of epiphora relief in congenital nasolacrimal obstruction according to the age of the beginning of epiphora complaint and treatment effectiveness. METHODS Forty children with congenital nasolacrimal obstruction underwent treatment between 1997 and 1999 and were evaluated according to: age of start of epiphora, the(More)
PURPOSE Cataract is considered the main preventable cause of blindness and visual impairment mainly in poor countries. This study was done to evaluate if cataract is still an important cause of blindness in Central-West region of State of São Paulo, Brazil. METHODS A cross-sectional study was conducted with a systematically randomized sample of households(More)
BACKGROUND Chitosan is a polymer derivative from chitin applied in many medical specialties. OBJECTIVE To evaluate the biocompatibility of chitosan membranes used as inclusion material into subcutaneous of rats. METHODS Twenty male Wistar rats received chitosan membranes into the subcutaneous area of the dorsal medial region. The animals were randomly(More)
PURPOSE To evaluate the fibroblast proliferation activity of normal Tenon's capsule from primary and recurrent patients with pterygium. METHODS A randomized prospective study was performed with 41 normal Tenon's capsule fragments from 21 primary and 20 recurrent patients with pterygium. The sample was collected from the inferior cul-de-sac. Proliferation(More)