PURPOSE To investigate the accuracy of ocular misalignment measurement, using corneal reflections. METHODS Corneal reflex positions were measured relative to two landmarks, the limbus center and the entrance pupil center, using high-resolution digital images for cyclopean gaze angles from 0 degree to 18.8 degrees (34.04 prism diopters; PD) to the right and to the left in 10 subjects. Distance...

Abstract With the help of analysis tools such as mean nearest neighbor, standardized ellipse and kernel density ArcGIS software, this paper uses POI data to deeply identify analyze urban polycentric spatial structure four districts in Qingdao, draws following conclusions: multi-center layout Qingdao presents five major centers with “one principal, two assistants clusters”, a pattern strong main...

OBJECTIVE To characterize variability in the identification of the macular center among retinopathy of prematurity (ROP) experts. METHODS A printed set of 25 wide-angle retinal images was compiled from infants at risk for ROP using a commercially available camera. Ten recognized ROP experts were asked to mark the macular center on each image. For each image, we measured the distance from the ...

Background: Posturography is a method in which the postural stability of adults is evaluated by measuring the center of pressure sway. This study aims to evaluate the reproducibility of measuring the center of pressure oscillation in standing position with internal perturbation in healthy young women with and without hyperkyphosis. Methods: Ten women with dorsal hyperkyphosis with the mean age...

848 testicular biopsy slides of 664 infertile men were reviewed from the archive of jahad daneshgahi pathology center. tite mean age of patients was 33 years. bilateral testicular biopsies were performed in 197 cases. in 47 cases (23.9%) the histopathologic findings were not identical mixed pattern were encountered frequently which must be kept in mirul in pathologic evaluations and reports.

 Background: HIV/AIDS is known to affect an individual not only physically but also mentally, socially, and financially. It is a syndrome that builds a vacuum in a person affecting his/her life as a whole. Nowadays, using anti-viral medication delays the onset of the disease cycle and increases the patients’ life time. From the psychological point of view, however, such patients are faced with ...