KNOWLEDGE AND PRACTICE OF TEACHERS AND PARENTS ON EYE CARE FOR STUDENTS AT LE HONG PHONG SECONDARY SCHOOL A recent survey on knowledge and practical understanding of teachers and parents about eye care and protection for students at Le Hong Phong secondary school in 2015 showed that: Percentage of students having knowledge of anisometropia was 73.30%. 43.50% of students made correct answers about anisometropia, 68.29% knows that they should to avoid reading with too close distance for a long time 68.29%, 58.97% know that they should have enough light to read and write.