Included in the study were children in the 7th and 8th grades of the primary schools in libreville and owendo. Full text full text is available as a scanned copy of the original print version. Links to pubmed are also available for selected references. A crosssectional survey that utilised a multistage random sampling method to select 1144 primary and secondary students comprising 504 males and 640.
Prevalence and causes of eye diseases amongst students in. The analysis is used to examine earlier observations on myopia. Elle releve dun phenomene cerebral qui permet lobtention dune image unique et en relief a partir des images en 2 dimensions donnees par chaque oeil. Oculaire astrovision f 3mm long degagement oculaire naturoptic. Sinceindevelopedcountriesthemajorityof childrenattendschoolsorpreschools,itisrelatively easiertoreachthembyvisionscreeningprogrammes.
The cfmc focusing mount c comes with a coaxial coarsefine focusing unit that travels smoothly along the optical axis. Thompson this ebook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. The purpose of this work is to evaluate the epidemiological aspects of vision problems and their repercussions in the schooling of children in libreville and owendo. This transversal and descriptive study was carried out in may and june 2011. Prk, lasek, epilasik, custom, ptk, and retreatment. With surface treatments gaining in popularity, a book that addresses indepth analysis of the latest advancements is essential. Traumatisme oculaire ttt medical lunettes ou lentilles cylindriques definies par leur axe et leur puissance. Study of vision problems in schools in libreville and.
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