Bilal Khan, Mir Ali Shah, Mohammad Idris, Sadaf Qayyum.
To Determine the Refractive Status in Albinism & Idiopathic Congenital Nystagmus at Hayatabad Medical Complex, Peshawar.
Ophthalmol Update Jan ;16(1):457-60.

Objective: to determine the refractive status in albinism and idiopathic congenital Nystagmus at Hayatabad Medical Complex Peshawar. It was a hospital based descriptive cross sectional study in the Department of Ophthalmology, Hayatabad Medical Complex Peshawar, from September 2014 to December 2014. Methodology: A descriptive crossectional study was carried out to determine refractive status in idiopathic congenital nystagmus and albinism in 30 patients above age 3 years visiting Eye OPD at HMC Peshawar. Patients were evaluated according to objective of the study. Results: Refractive status was determined for 30 patients, among them 6 (20%) were albinos and 24 (80%) were nystagmus. Genders wise distribution was such that 10 (33%) were females and 20 (67%) were males. Astigmatism in albino patients was 33% in male and 33% in female. On average albinism have more astigmatism than idiopathic congenital nystagmus patients. Hyperopia was less common 16% in male 16% in female. Myopia was 0% in male and 0% in female similarly astigmatism in ICN patients 25% in male and 12% in female. Hyperopia was 12% in male and 12% in female. Myopia was 33% in male and 0.004% were in female. In astigmatism there were 24% male and 48% were female. Mean spherical equivalent in right eye was -2.006 and in left eye was -1.375. Conclusion: presence of nystagmus may interfere with normal refractive development. Poor visual acuity and higher refractive errors in albinism are not purely due to nystagmus, other structural differences play a part.

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