Condition of the visual system and school achievements in 6 to 10 years old children from Wielkopolska region as detected by visual screening and questionnaire studies

Introduction
Purpose: The study aimed at comparing results of the visual screening with school achievements and results of questionnaire studies.

Material and methods
Basic optometric tests, including visual acuity, phoria, stereo near vision, colour vision, near point of convergence and plus lens test were examined in 1138 children, 6 to 10 years of age, 88 pupils were examined in their glasses. Also questionnaire studies were conducted among parents and teachers, related to visual condition of studied children. For every of the children data were obtained on his/her school achievements.

Results
A relationship was demonstrated between visual complaints and results of the visual screening and also between school achievements and vision screening results.

Conclusions
The results corroborate the assumption that school achievements require efficient visual system in near and distant vision. Proper condition of the visual system exerts significant effects on educational and perceptive functions of a child.