Abubakar Rizwan, Sumaira Rafaqat, Bilal Afzal.
Prevalence of Strabismus in Low Vision Department of K.E Medical University Lahore.
Ophthalmol Update Jan ;16(4):862-5.

Aim: To get to know about the prevalence of strabismus in low vision patients. Methodology: A cross sectional study was done in which 200 patients with decreased contrast were taken through convenient sampling . Visual acuity of all the patients was measured using ETDRS chart at a distance of 4 meters. All patients were already diagnosed by the senior ophthalmologists and were referred to the low vision department. Then cover test was performed at both short and long distance to access strabismus. At long distance fixation target was ETDRS chart at 4 meters and for short distance fixation target was held at 33cm. Results: Among 200 patients 74.8% patients had acquired while remaining had strabismus since birth. The exotropiaesotropia ratio was 7:1, with mostly 38% had esotropia. Conclusion: It is concluded that the prevalence of strabismus in low vision patients was high which mostly had acquired strabismus.

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