The factors affacting the expense that vision-disabled people tend to afford for low vision aids

Objective y analysis the factors affacting the expense that vision-disabled people tend to afford for low vision aids,increase the percentage of the low vision aids matching its users properly.Methods With questionaire and vision evaluation,we brought a number of vision-disabled people into the study from the aspects of vision,age,sex,whether live independently,education level,the expense one tend to afford for low vision aids etc.Results Vision-disabled people 's age and education level affect their will to buy the low vision aids considerately.Conclusion To match each low vision aid with his potential owner well,excluding vision-disabled person's vision,age and education level must be taken into account.Only by this meanings can we increase the percentage of the low vision aids matching its users properly.