Frequency and structure of refractive errors in schoolchildren with different visual loads

Session Details

Session Title: Orbis Treatment and Prevention of Blindness in the Developing World

Session Date/Time: Monday 16/09/2019 | 12:15-12:51

Paper Time: 12:21

Venue: West 7

First Author: : Z. Zhailaubekov KAZAKHSTAN

Co Author(s): :    R. Bahitbek    J. Iskakbayeva   N. Aldasheva   M. Erboluly                    

Abstract Details

Purpose:

To study the frequency and structure of refraction errors in schoolchildren of general secondary schools and gymnasiums in Almaty.

Setting:

Schools of the Almaty

Methods:

1175 children and teenagers of four schools of the Almaty city aged from 6 to 16 years were examined. The were 575 (49%) boys and 600 (51%) girls. Pupils of general secondary schools were 411, gymnasium schools -764. All children underwent a standard ophthalmological examination: visometry, refraction studies under cycloplegia, determination of relative accomodation, biomicroscopy and ophthalmoscopy.

Results:

As a result of examination of students in general secondary schools, a decrease in vision in one or both eyes was detected in 130 children (32,0%). In most cases, myopia was detected - 61 students (51.3%). In the second place - accommodation disorders in 53 students (40,8%). In the third place is mixed astigmatism in 4 schoolchildren (3,1%) and hypermetropia in 2 (1,5%). Examination of pupils in gymnasia’s school revealed reduced vision in 260 children (34,0%). Myopia was detected in 140 students (53,8%), accommodation disorders in 80 (30,7%), hypermetropia in 22 (8,5%), and mixed astigmatism in 18 (6,9%).

Conclusions:

The data presented indicate that refractive errors are still the main cause of reduced vision in schoolchildren. In the structure of refractive errors in the first place was myopia, in the second - disorders of refraction. Then, hypermetropia and mixed astigmatism followed in frequency. At the same time, in gymnasiums, the percentage of children with reduced eyesight was higher than in general education schools (by 2%).

Financial Disclosure:

None