Original Article Type of Horizontal Deviation in Consanguinity Samia Iqbal, Hakim Anjum Nadeem Pak J Ophthalmol 2018, Vol. 34, No. 2 . .. .. See end of article for Purpose: To find out the association and types of horizontal deviation in authors affiliations consanguinity. …..……………………….. Study Design: Cross-sectional study. Place and duration of Study: Department of Ophthalmology, The University Correspondence to: of Lahore teaching hospital from September to December 2017. Samia Iqbal Department of Ophthalmology, Material and Methods: In this study, 93 patients of 3 to 15 years, with The University of Lahore diagnosis of horizontal deviation and positive history of consanguinity were Email:
[email protected] included in the study. While the patients with vertical deviation and negative history of consanguinity were excluded from study. Data was collected by self- designed proforma after taking consent from patients having history of consanguinity. The visual acuity screening and orthoptic assessment were performed on the sample of 93 patients using snellen chart for visual acuity and pen torch for Hirschberg test, cover uncover test and alternate cover test and prisms for krimsky test. Data was analyzed using SPSS version 20. Results: Out of 93 patients, 55 (59.1) had exotropia and 38 (40.8%) had esotropia. 17 (18.2%) had emmetropia, 22 (23.65%) had myopia, 7 (7.5%) had hyperopia, 25 (26.8%) had myopic astigmatism, 10 (10.7%) had hyperopic astigmatism and the remaining 12 (12.9%) had mixed astigmatism. Conclusion: Consanguinity is related with horizontal deviation and refractive errors. Exotropia is found to be more common in these cases. …..……………………….. Key Word: Consanguinity, Horizontal deviation, Myopia.