Saba Alkhairy, Farnaz Siddiqui, Asad Azeem, Mazhar-ul Hassan, Arif Nayani, Madiha Basalat, Sajjad Kalb-e Raza.
To study the association of risk factors associated with childhood myopia.
Pak J Surg Jan ;35(4):349-54.

Purpose: To analyze various risk factors associated with severity of childhood myopia Place of study: Out patient department of Ophthalmology in Dow University of Health Science, Dow International Medical College Karachi. Duration of study: The duration of the study was from 1st December 2017 till 1st December 2018. Type of study: Cross sectional Study Materials and Methods: Subjects were selected randomly from the out patient department between the age range of 5 to 15 years of both genders having myopia of more than 1DS at least in both eyes and with absence of any astigmatism observed on auto refractometer. They then underwent cycloplegic refraction with instillation of cyclopentolate eye drops every 10 minutes for 30 minutes. Th ey were divided into 3 groups based on their myopia; those having less than -3DS, those between the range of -3DS to -6DS and those having high myopia of power more than -6DS. Their parents were asked to fill a questionnaire which had questions regarding the daily routine such as screen time, birth history in terms of birth weight, time spent doing near work, parental myopia, ethnicity etc. Results: There was no significant association seen for myopia and parental myopia, BMI, time spent reading, birth weight, ethnicity however there was a significant association was found between myopia and time spent on mobile, TV, laptop and other Visual Display Units etc (Pvalue =0.001 < 0.05).

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